INCOME TAXES - (BENEFIT FROM) PROVISION FOR INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2014
INCOME TAXES
(Benefit from) provision for income taxes at statutory rate	$ (1,928)	$ 366	$ 7,957
State tax benefit net of federal effect	(239)	(122)	(50)
Stock based compensation	57	(60)	51
Research tax credits	(624)	(396)	(294)
Qualifying manufacturing credits			(288)
Change in valuation allowance	172	184	207
Other	304	96	33
(Benefit from) provision for income taxes	$ (2,258)	$ 68	$ 7,616

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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
-Topic 740
-SubTopic 10
-Section 50
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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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-Name Regulation S-X (SX)
-Number 210
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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible equity-based compensation costs.

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

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