INCOME TAXES (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
INCOME TAXES
Provision for income taxes at statutory rate	$ 366	$ 7,957	$ 9,253
State tax provision (benefit) net of federal effect	(122)	(50)	143
Stock based compensation	(60)	51	(60)
Research tax credits	(396)	(294)	(589)
Qualifying manufacturing credits		(288)	(154)
Change in valuation allowance	184	207	154
Other	96	33	245
Provision for income taxes	$ 68us-gaap_IncomeTaxExpenseBenefit	$ 7,616us-gaap_IncomeTaxExpenseBenefit	$ 8,992us-gaap_IncomeTaxExpenseBenefit

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB

-Name Accounting Standards Codification

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Amount of the difference between reported income tax expense (benefit) and the expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for qualified production activity.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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