CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	Dec. 31, 2014	Mar. 31, 2014
Allowance for doubtful accounts (in dollars)	$ 5	$ 7
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000us-gaap_PreferredStockSharesAuthorized	5,000us-gaap_PreferredStockSharesAuthorized
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	40,000us-gaap_CommonStockSharesAuthorized	40,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	20,263us-gaap_CommonStockSharesIssued	20,190us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	20,263us-gaap_CommonStockSharesOutstanding	20,190us-gaap_CommonStockSharesOutstanding
Convertible Preferred Stock
Preferred stock, shares issued	3	3
Preferred stock, shares outstanding	3	3
Preferred stock, liquidation preference (in dollars per share)	$ 4	$ 4

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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Face amount or stated value per share of common stock.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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