Condensed Consolidated Statements of Comprehensive Loss (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Sep. 30, 2012		Sep. 30, 2011		Sep. 30, 2012		Sep. 30, 2011
Net income (loss)	$ (18,157)		$ (261)		$ (18,775)		$ 138
Other comprehensive income (loss):
Foreign currency translation adjustments	175		(380)		(99)		(282)
Unrealized holding gains on available for sale securities	22	[1]	20	[1]	22	[1]	85	[1]
Recognition of previously unrealized gains on available for sale securities included in net income (loss)	(85)	[2]	(4)	[2]	(72)	[2]	(7)	[2]
Other comprehensive income (loss)	112		(364)		(149)		(204)
Comprehensive loss	$ (18,045)		$ (625)		$ (18,924)		$ (66)

[1] For the three months ended September 30, 2012 and 2011, the amounts are net of deferred taxes of $17,000 and $15,000, respectively, and for the six months ended September 30, 2012 and 2011, the amounts are net of deferred taxes of $17,000 and $62,000, respectively.

[2] For the three months ended September 30, 2012 and 2011, the amounts are net of deferred tax benefit of $63,000 and $3,000, respectively, and for the six months ended September 30, 2012 and 2011, the amounts are net of deferred tax benefit of $53,000 and $5,000, respectively.