Document And Entity Information
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
Year 4
Note To Financial Statement Details Textual
Significant Accounting Policies
Note 2 - Inventories
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
Year 5
Note 3 - Equipment and Leasehold Improvements, Net
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
Year 2
Note 5 - Accrued Expenses
Note 6 - Long-term Debt
Note 7 - Operating Leases
us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
Year 3
us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation
Payments in stock withheld for tax payment on issuance
Variable Rate [Domain]
Note 9 - Share-based Compensation
OPERATING EXPENSES:
Variable Rate [Axis]
Note 11 - Earnings (Loss) Per Share
Prime Rate [Member]
us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent
Next 12 Months
Note 2 - Inventories - Components of Inventory (Details)
Note 3 - Equipment and Leasehold Improvements, Net - Estimated Useful Lives (Details)
us-gaap_LongTermDebt
Long-term Debt
Note 3 - Equipment and Leasehold Improvements, Net - Components of Equipment and Leasehold Improvements (Details)
Note 5 - Accrued Expenses - Components of Accrued Expenses (Details)
Note 6 - Long-term Debt - Summary of Long-term Debt (Details)
us-gaap_CapitalLeaseObligations
Capital Lease Obligations
Schedule of Long-term Debt Instruments [Table Text Block]
Note 6 - Long-term Debt - Future Payments (Details)
Note 7 - Operating Leases - Summary of Future Minimum Lease Payments Under Non-cancelable Operating Leases (Details)
Note 9 - Share-based Compensation - Shares Authorized, Available for Future Grant and Outstanding Under Each Plan (Details)
Note 9 - Share-based Compensation - Summary of Option Activity Under Stock Plans (Details)
Note 9 - Share-based Compensation - Summary of Non-vested Options (Details)
Note 9 - Share-based Compensation - Summary of the Weighted-average Characteristics of Outstanding Stock Options (Details)
Note 9 - Share-based Compensation - Summary of Valuation Assumptions Related to Options Granted (Details)
Note 9 - Share-based Compensation - Restricted Stock Units (Details)
Note 11 - Earnings (Loss) Per Share - Summary of Reconciliations Between the Numerator and the Denominator of the Basic and Diluted Earnings Per Share Computations (Details)
Notes To Financial Statements
Notes To Financial Statements [Abstract]
Proceeds from stock options exercised
CASH FLOWS FROM INVESTING ACTIVITIES:
cyan_LongTermDebtAndCapitalLeaseObligationsCurrentAndNoncurrent
Long-term Debt and Capital Lease Obligations, Current and Noncurrent
Sum of the carrying values as of the balance sheet date of both current and noncurrent portions of long-term debt and capital lease obligations.
Lease Arrangement, Type [Axis]
Long-term Debt [Text Block]
us-gaap_DeferredFinanceCostsNet
Less unamortized debt issuance costs
Equity Component [Domain]
2014 Directors Plan [Member]
Represents the "2014 Directors Plan."
Lease Arrangement, Type [Domain]
The 2005 Plan [Member]
Represents the "2005 Plan."
Other liabilities
Leases of Lessee Disclosure [Text Block]
cyan_CurrentRatio
Current Ratio
Current assets divided by current liabilities, expressed as a ratio.
2004 Directors Plan [Member]
Represents the "2004 Directors Plan."
Equity Components [Axis]
cyan_DebtCovenantMinimumCurrentRatio
Debt Covenant, Minimum Current Ratio
The minimum current ratio (current assets divided by current liabilities, expressed as a ratio) as required under a debt covenant.
us-gaap_IncreaseDecreaseInCustomerDeposits
Customer deposits
Property, Plant, and Equipment, Estimated Useful Lives [Table Text Block]
Tabular disclosure of the useful life of long lived, physical assets used in the normal conduct of business and not intended for resale.
us-gaap_IncreaseDecreaseInAccruedLiabilities
Accrued expenses
us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Line of Credit Facility, Remaining Borrowing Capacity
Preferred outstanding, shares (in shares)
Common stock, shares outstanding (in shares)
us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Line of Credit Facility, Maximum Borrowing Capacity
Rent and utilities
Carrying value as of the balance sheet date of obligations incurred through that date and payable for contractual rent under lease arrangements and utilities, such as electrical power, heating oil, natural gas, and water. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).
New Accounting Pronouncements, Policy [Policy Text Block]
Reclassification, Policy [Policy Text Block]
us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities
Total principal payments
Diluted (in shares)
Shares outstanding - diluted (in shares)
us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
us-gaap_LongTermDebtAndCapitalLeaseObligations
Long-term debt, excluding current maturities
us-gaap_IncreaseDecreaseInAccountsPayable
Accounts payable
us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
Basic and diluted loss per share (in shares)
us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
Shares - dilutive securities (in shares)
Capital Lease Asses Payable in 36 Equal Monthly Payments [Member]
Represents information regarding to capital lease assets which are payable in 36 equal payments.
Year 5
us-gaap_EarningsPerShareBasicAndDiluted
Basic and diluted loss per share (in dollars per share)
The 2016 Plan [Member]
Represents the 2016 Cyanotech Equity Incentive Plan (the “2016 Plan”).
Year 4
us-gaap_SharePrice
Share Price
Thereafter
Year 3
cyan_SharebasedCompensationArrangementBySharebasedPaymentAwardNumberOfSharesAuthorizedForIssuanceInConnectionWithPerformanceAwardsAndStockAwards
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized for Issuance in Connection with Performance Awards and Stock Awards
The maximum number of shares (or other type of equity) originally approved to be issued in connection with performance awards and stock awards (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).
Subsequent Event [Member]
Year 2
Line of Credit Facility, Lender [Domain]
Next 12 Months
Diluted (in dollars per share)
Earnings per share - diluted (in dollars per share)
Lender Name [Axis]
Subsequent Event Type [Domain]
Subsequent Event Type [Axis]
us-gaap_SalesRevenueNet
NET SALES
Cash
Cash and Cash Equivalents, at Carrying Value
Cash at beginning of period
Cash at end of period
us-gaap_RepaymentsOfLongTermCapitalLeaseObligations
Payments on capitalized leases
us-gaap_RepaymentsOfLongTermDebt
Principal payments on long-term debt
Equipment [Member]
Long-term debt, less current maturities
Total long-term debt, net of current maturities and unamortized debt issuance costs
Amount of long-term debt and capital lease obligation net of issuance costs, due after one year or beyond the normal operating cycle, if longer.
Basic (in shares)
Shares outstanding - basic (in shares)
Balance Sheet Location [Domain]
Basic (in dollars per share)
Earnings per share - basic (in dollars per share)
Balance Sheet Location [Axis]
Scenario, Unspecified [Domain]
Scenario, Forecast [Member]
Scenario [Axis]
Short-term Debt [Text Block]
Schedule of Accrued Liabilities [Table Text Block]
Proceeds from long-term debt, net of costs
Proceeds from Issuance of Long-term Debt
us-gaap_ConcentrationRiskPercentage1
Concentration Risk, Percentage
Maximum [Member]
Customer Concentration Risk [Member]
Range [Domain]
Minimum [Member]
Customer [Axis]
Concentration Risk Type [Domain]
Range [Axis]
us-gaap_UnrecognizedTaxBenefits
Unrecognized Tax Benefits
Customer [Domain]
Accounting Policies [Abstract]
Net increase (decrease) in liabilities:
Statement of Financial Position [Abstract]
Relationship to Entity [Domain]
Concentration Risk Type [Axis]
Title of Individual [Axis]
us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets
Prepaid expenses and other assets
Bank of the West Finance [Member]
Finance agreements with Bank of the West.
Sales Revenue, Net [Member]
Statement of Cash Flows [Abstract]
Accounts Receivable [Member]
us-gaap_RepaymentsOfNotesPayable
Payment of short-term notes payable
Equipment Finance Agreement [Member]
A financing agreement that allows for the purchase of equipment by the reporting entity.
Proceeds from short term note payable
cyan_DebtAgreementMaximumBorrowingCapacity
Debt Agreement, Maximum Borrowing Capacity
Maximum borrowing capacity under a debt agreement on the amount that could be borrowed with a combination of, but not limited to, a line of credit and term loan.
us-gaap_AllocatedShareBasedCompensationExpense
Allocated Share-based Compensation Expense
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Axis]
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
Exercised (in shares)
First Foundation Bank [Member]
Represents information about First Foundation Bank.
Net (payments) draws on line of credit
us-gaap_IncreaseDecreaseInAccountsReceivable
Accounts receivable
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
Forfeited (in shares)
Granted (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
us-gaap_InterestIncomeExpenseNonoperatingNet
Interest expense, net
us-gaap_ProceedsFromIssuanceOfDebt
Proceeds from Issuance of Debt
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and stockholders’ equity
INCOME TAX (BENEFIT) EXPENSE
Income Tax Expense (Benefit)
us-gaap_EffectiveIncomeTaxRateContinuingOperations
Effective Income Tax Rate Reconciliation, Percent
Accumulated deficit
us-gaap_PolicyTextBlockAbstract
Accounting Policies
us-gaap_IncreaseDecreaseInInventories
Inventories
Accounts Payable and Accrued Liabilities Disclosure [Text Block]
Credit Facility [Domain]
Statement [Table]
Revolving Credit Facility [Member]
Credit Facility [Axis]
CASH FLOWS FROM FINANCING ACTIVITIES:
Income Statement [Abstract]
Class of Stock [Axis]
Award Type [Axis]
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Other long-term liabilities
Equity Award [Domain]
Segment Reporting Disclosure [Text Block]
us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Prepaid expenses and other current assets
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount
The 2015 Loan Agreement [Member]
Represents the 2015 Loan Agreement with a lender.
us-gaap_CustomerDepositsCurrent
Customer deposits
us-gaap_LiabilitiesCurrent
Total current liabilities
Schedule of Maturities of Long-term Debt [Table Text Block]
Raw materials
Supplies
Exercisable Options Number of Shares (in shares)
Finished goods (1)
Outstanding Options Remaining Life (Year)
Exercisable Options Weighted Average Price (in dollars per share)
Work in process
us-gaap_OperatingExpenses
Total operating expenses
Outstanding Options Weighted Average Price (in dollars per share)
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Outstanding Options Number of Shares (in shares)
Net (increase) decrease in assets:
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]
us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax
Share-based Compensation, Stock Options, Activity [Table Text Block]
Upper Range of Exercise (in dollars per share)
Restricted cash
Lower Range of Exercise (in dollars per share)
General and administrative
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]
Property, Plant and Equipment [Table Text Block]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice
Exercise Price (in dollars per share)
Exercise Price Range [Axis]
Property, Plant and Equipment Disclosure [Text Block]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Dividend Rate
Schedule of Nonvested Share Activity [Table Text Block]
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
Risk Free Rate
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
Volatility
us-gaap_OperatingIncomeLoss
Income (loss) from operations
Schedule of Inventory, Current [Table Text Block]
Inventory Disclosure [Text Block]
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
Expected Life (in years) (Year)
us-gaap_GrossProfit
Gross profit
Current maturities of long-term debt
Less current maturities
Amendment Flag
Common stock of $0.02 par value, shares authorized 50,000,000; 5,752,732 shares issued and outstanding at December 31, 2017 and 5,685,381 shares at March 31, 2017
Commitments and Contingencies Disclosure [Text Block]
Forfeited, weighted average grant price (in dollars per share)
Common stock, shares authorized (in shares)
Vested, weighted average grant price (in dollars per share)
Common stock, shares issued (in shares)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue
Nonvested restricted stock units at March 31, 2016, weighted average grant price (in dollars per share)
Nonvested restricted stock units at March 31, 2017, weighted average grant price (in dollars per share)
Other assets
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Outstanding (in shares)
Nonvested restricted stock units at March 31, 2017 (in shares)
Nonvested restricted stock units at December 31, 2017 (in shares)
Common stock, par value (in dollars per share)
Income Tax Disclosure [Text Block]
Granted, weighted average grant price (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Share-based compensation expense
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod
Forfeited (in shares)
Current Fiscal Year End Date
Line of credit
Line of Credit, Current
Vested (in shares)
us-gaap_CapitalLeasedAssetsNumberOfUnits
Capital Leased Assets, Number of Units
Document Fiscal Period Focus
Document Fiscal Year Focus
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
Exercisable, aggregate intrinsic value
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
Exercisable, weighted average remaining contractual term (Year)
Document Period End Date
us-gaap_AssetImpairmentCharges
Asset Impairment Charges
Preferred stock of $0.01 par value, authorized 10,000,000 shares; no shares issued and outstanding
Preferred, issued shares (in shares)
Chief Executive Officer [Member]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
Exercisable, weighted average exercise price (in dollars per share)
Document Type
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
Exercisable (in shares)
Customer Number 1 [Member]
Information pertaining to customer number 1 accounting for a percentage of accounts receivable.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
Outstanding, aggregate intrinsic value
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
Outstanding, weighted average remaining contractual term (Year)
Depreciation and amortization
Preferred, authorized shares (in shares)
Restricted Cash [Member]
Represents the information pertaining to restricted cash.
Customer Number 2 [Member]
Information pertaining to customer number 2 accounting for a percentage of accounts receivable.
Granted (in dollars per share)
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
Forfeited (in dollars per share)
Accounts payable
Document Information [Line Items]
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
Vested (in dollars per share)
Document Information [Table]
Preferred stock, par value (in dollars per share)
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
Nonvested (in dollars per share)
Nonvested (in dollars per share)
us-gaap_AssetsCurrent
Total current assets
Accrued expenses
Total accrued expenses
Entity Filer Category
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares
Forfeited (in shares)
Entity Current Reporting Status
Counterparty Name [Domain]
Entity Voluntary Filers
Counterparty Name [Axis]
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
Nonvested (in shares)
Nonvested (in shares)
Entity Well-known Seasoned Issuer
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Outstanding, weighted average exercise price (in dollars per share)
Outstanding, weighted average exercise price (in dollars per share)
Employees [Member]
Refers to information regarding employees.
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
Vested (in shares)
us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
Forfeited, weighted average exercise price (in dollars per share)
Wages, commissions, bonus and profit sharing
us-gaap_IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability
Exercised (in shares)
The number of equity-based payment instruments, excluding stock (or unit) options, that were exercised during the reporting period.
Exercised, weighted average grant price (in dollars per share)
Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were exercised.
us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
Exercised, weighted average exercise price (in dollars per share)
Other accrued expenses
cyan_NonInventoriableFixedCosts
Non Inventoriable Fixed Costs
Represents the non-inventoriable fixed costs incurred during the period.
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Entity Central Index Key
Entity Registrant Name
Term Loan Agreement, Maturing on August 14, 2032 [Member]
Represents the term loan agreement that are maturing on august 14, 2032.
Entity [Domain]
Term Loan Agreement, Promissory Note One [Member]
Term loan agreement, promissory note one [member]
SHARES USED IN CALCULATION OF NET INCOME (LOSS) PER SHARE:
Legal Entity [Axis]
Term Loan Agreement, Promissory Note Two [Member]
Term loan agreement, promissory note two [member]
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Outstanding (in shares)
Outstanding (in shares)
cyan_DebtInstrumentInterestPaymentPeriod
Debt Instrument Interest Payment Period
Represents the period for which interest is payable.
cyan_DebtInstrumentAmortizationPeriod
Debt Instrument Amortization Period
Represents the period over which obligation under the debt instrument fully amortizes.
Liquidity and Debt Covenant Compliance [Policy Text Block]
Disclosure of accounting policy for liquidity and debt covenant compliance.
cyan_DebtInstrumentReferenceRate
Debt Instrument Reference Rate
Represents the reference rate used to compute the variable rate on the debt instrument.
cyan_DebtInstrumentPrepaymentPenaltyPercentage
Debt Instrument, Prepayment Penalty Percentage
Represents the prepayment penalty rate applicable, if any prepayment is made prior to the first anniversary.
cyan_DebtInstrumentPrepaymentPenaltyPercentageReductionDuringEachYear
Debt Instrument, Prepayment Penalty Percentage Reduction During Each Year
Represents the percentage of reduction in prepayment penalty rate each year.
cyan_NumberOfMajorCustomers
Number of Major Customers
Represents the number of major customers accounting for 10% or more of the specified concentration risk benchmark, which includes, but not limited to, sales revenue, accounts receivable, etc
cyan_WorkingCapitalDeficit
Working Capital (Deficit)
The difference between the current assets and current liabilities that is used as a financial metric for operating liquidity.
cyan_DebtInstrumentOneTimeOriginationAndGuarantyFees
Debt Instrument One Time Origination and Guaranty Fees
Amount of one-time origination and guaranty fees on the debt instrument.
cyan_DebtInstrumentAnnualRenewalFeePayablePercentage
Debt Instrument Annual Renewal Fee Payable Percentage
Represents the percentage of annual renewal fee payable on the debt instrument.
cyan_DebtInstrumentGuaranteedPortion
Debt Instrument Guaranteed Portion
Represents the guaranteed portion of the debt instrument.
cyan_DebtInstrumentPeriodicPaymentsNumber
Debt Instrument Periodic Payments Number
Represents the number of required periodic payments.
Current liabilities:
Entity Common Stock, Shares Outstanding (in shares)
Available (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
Additional paid-in capital
us-gaap_Assets
Total assets
Effect of dilutive securities on net income
Interest
Inventories, net
Inventories, net
us-gaap_IncreaseDecreaseInRestrictedCash
Investment in restricted cash
Stockholders’ equity:
Authorized (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
us-gaap_PaymentsToAcquireProductiveAssets
Investment in equipment and leasehold improvements
Trading Symbol
us-gaap_InventoryValuationReserves
Inventory Valuation Reserves
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Net income (loss)
NET INCOME (LOSS)
Basic and diluted loss per share
Schedule of Share-based Compensation Shares Authorized Available and Outstanding by Plan [Table Text Block]
Tabular disclosure of shares authorized, available for future grant and outstanding under each stock-based compensation plan.
us-gaap_StockholdersEquity
Total stockholders’ equity
Plan Name [Axis]
us-gaap_DebtInstrumentTerm
Debt Instrument, Term
Plan Name [Domain]
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Commitments and contingencies
us-gaap_Liabilities
Total liabilities
us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Sales and marketing
Range 01 [Member]
Range 1 in a range of exercise prices.
Restricted Stock Units (RSUs) [Member]
Range 02 [Member]
Range 2 in a range of exercise prices.
COST OF SALES
Range 03 [Member]
Range 03 [member]
Restricted Stock [Member]
Range 04 [Member]
Range 04 [member]
CASH FLOWS FROM OPERATING ACTIVITIES:
Antidilutive Securities, Name [Domain]
Employee Stock Option [Member]
Accounts receivable, allowance for doubtful accounts
Antidilutive Securities [Axis]
Accounts receivable, net of allowance for doubtful accounts of $27 at December 31, 2017 and $49 at March 31, 2017
Statement [Line Items]
Research and development
cyan_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsVestingPeriod
Vesting Period (years) (Year)
Vesting period of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
cyan_ShareasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate
Forfeiture Rate
The estimated measure of the percentage by which shares under options are expected to be cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.
cyan_NumberOfShareholderApprovedSharebasedCompensationPlans
Number of Shareholder Approved Share-based Compensation Plans
Represents the number of shareholder approved plans under which shares were available for equity based awards.
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Income taxes
Estimated useful lives (Year)
Amortization of debt issue costs and other assets
Current assets:
us-gaap_PropertyPlantAndEquipmentNet
Equipment and leasehold improvements, net
Equipment and leasehold improvements, net
Net income - diluted
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Less accumulated depreciation and amortization
Equipment and leasehold improvements, gross
Debt Instrument [Axis]
Construction-in-progress
Furniture and Fixtures [Member]
us-gaap_CapitalLeasedAssetsGross
Capital Leased Assets, Gross
Debt Instrument, Name [Domain]
us-gaap_DebtInstrumentInterestRateDuringPeriod
Debt Instrument, Interest Rate During Period
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net cash (used in) provided by financing activities
us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Debt Instrument, Basis Spread on Variable Rate
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Stated Percentage
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net cash used in investing activities
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net cash provided by operating activities
Leasehold Improvements [Member]
us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease
Net increase in cash
us-gaap_TableTextBlock
Notes Tables
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Axis]
us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income (loss) before income taxes
us-gaap_OperatingLeasesFutureMinimumPaymentsDue
Total minimum lease payments
us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter
Thereafter
Earnings Per Share [Text Block]
NET INCOME (LOSS) PER SHARE: