Consolidated Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	12 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (11,497)us-gaap_NetIncomeLoss	$ 17,097us-gaap_NetIncomeLoss	$ (1,298)us-gaap_NetIncomeLoss
Other comprehensive income (loss), net of tax:
Unrealized foreign currency translation adjustments	(9)	220	(1,126)
Reclassification of foreign currency translation adjustments included in net income (loss)		(745)	0
Unrealized loss on sale of securities	(8)	0	(4)
Total comprehensive income (loss)	$ (11,514)us-gaap_ComprehensiveIncomeNetOfTax	$ 18,062us-gaap_ComprehensiveIncomeNetOfTax	$ (2,428)us-gaap_ComprehensiveIncomeNetOfTax

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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- Definition

Amount after tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

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