Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities:
Net income (loss)	$ (18,775)	$ 138
Adjustments to reconcile net income (loss) to net cash flows provided by (used in) operating activities:
Depreciation and amortization	2,349	2,136
Stock-based compensation	16,253	(209)
Deferred income taxes	(2)	243
(Gain) loss on disposition of assets	(26)	1
Realized gain on marketable securities	(193)	(12)
Interest on note payable	12	12
Adjustment to allowance for doubtful accounts	(6)	(35)
Decrease in:
Accounts and notes receivable	1,992	3,038
Taxes receivable and prepaid taxes	0	699
Other assets	12	286
Increase (decrease) in:
Accounts payable	(16)	(2,720)
Taxes payable	(64)	(253)
Accrued liabilities and compensation	(3,335)	(234)
Deferred revenue	58	219
Deferred rent	(105)	108
Net cash provided by (used in) operating activities	(1,846)	3,417
Cash flows from investing activities:
Purchase of marketable securities	(20,987)	(3,000)
Sale of marketable securities	22,293	4,000
Proceeds from the sale of assets	47	0
Purchase of intangibles	(101)	0
Purchase of property and equipment	(2,876)	(2,506)
Net cash used in investing activities	(1,624)	(1,506)
Cash flows from financing activities:
Proceeds from note payable	0	500
Contributions from noncontrolling interest	1,020	0
Issuance of common stock	551	39
Repurchase of common stock	0	(4,341)
Net cash provided by (used in) financing activities	1,571	(3,802)
Effect of foreign exchange translation on cash	(11)	(405)
Decrease in cash and cash equivalents	(1,910)	(2,296)
Cash and cash equivalents:
Beginning of period	5,526	3,821
End of period	3,616	1,525
Supplemental non-cash information:
Capitalized stock-based compensation	198	147
Common stock used to pay for option exercises	$ 63	$ 306