Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
Dec. 31, 2014	Dec. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 79	$ 172
Adjustments to reconcile net income to net cash provided by operating activities:
Loss on disposal of equipment and leasehold improvements	126us-gaap_GainLossOnDispositionOfAssets	46us-gaap_GainLossOnDispositionOfAssets
Depreciation and amortization	925	784
Amortization of debt issue costs and other assets	35us-gaap_AmortizationOfFinancingCosts	32us-gaap_AmortizationOfFinancingCosts
Share based compensation expense	584us-gaap_ShareBasedCompensation	589us-gaap_ShareBasedCompensation
Reduction of inventory reserve	(1)cyan_ProvisionForInventoryReserve	(3)cyan_ProvisionForInventoryReserve
Deferred income tax provision	29us-gaap_DeferredIncomeTaxExpenseBenefit	395us-gaap_DeferredIncomeTaxExpenseBenefit
Net (increase) decrease in assets:
Accounts receivable	(457)	(736)
Inventories	(1,663)us-gaap_IncreaseDecreaseInInventories	(1,539)us-gaap_IncreaseDecreaseInInventories
Prepaid expenses and other assets	(5)	(266)
Customer deposits	16	27
Accounts payable	651	585
Accrued expenses	269	(41)
Deferred rent	(1)	(3)
Net cash provided by operating activities	587	42
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from restricted cash	807	1,509
Investment in equipment and leasehold improvements	(3,185)	(3,362)
Net cash used in investing activities	(2,378)	(1,853)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on long-term debt	(153)us-gaap_RepaymentsOfLongTermDebt	(78)us-gaap_RepaymentsOfLongTermDebt
Proceeds from stock options exercised	173	35
Net cash provided by (used in) financing activities	20	(43)
Net decrease in cash and cash equivalents	(1,771)	(1,854)
Cash and cash equivalents at beginning of period	4,312	4,364
Cash and cash equivalents at end of period	2,541	2,510
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Interest	221us-gaap_InterestPaid	229us-gaap_InterestPaid
Income taxes		$ 118us-gaap_IncomeTaxesPaidNet

The cash inflow associated with issuance of common stock and stock options exercised during the period.

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Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

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