Condensed Consolidated Statements of Comprehensive (Loss) Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Statement of Other Comprehensive Income [Abstract]
Net income (loss)	$ 516	$ (6,509)	$ (1,628)	$ (5,805)
Other comprehensive (loss) income, net of tax:
Unrealized foreign currency translation adjustments	(826)	0	(777)	(27)
Unrealized loss on sale of securities	0	101	(4)	(153)
Total comprehensive loss	$ (310)	$ (6,408)	$ (2,409)	$ (5,985)