Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net loss	$ (1,854)	$ (18,775)
Adjustments to reconcile net loss to net cash flows provided by (used in) operating activities:
Depreciation and amortization	2,906	2,349
Stock-based compensation	3,534	16,253
Deferred income taxes	154	(2)
Gain on disposition of assets	0	(26)
Realized (gain) loss on marketable securities	(2)	193
Interest on note payable	0	12
Adjustment to allowance for doubtful accounts	(242)	(6)
(Increase) decrease, net of effect of acquisition, in:
Accounts and notes receivable	1,680	1,992
Taxes receivable and prepaid taxes	(142)	0
Other assets	(145)	12
Increase (decrease), net of effect of acquisition, in:
Accounts payable	(102)	(16)
Taxes payable	(142)	(64)
Accrued liabilities and compensation	857	(3,335)
Deferred revenue	(382)	58
Deferred rent	64	(105)
Net cash provided by (used in) operating activities	6,188	(1,846)
Cash flows from investing activities:
Purchase of marketable securities	(2,500)	(20,987)
Sale of marketable securities	1,000	22,293
Proceeds from the sale of assets	0	47
Payments made to develop intangible assets	(104)	(101)
Purchase of property and equipment	(3,554)	(2,876)
Cash paid for acquisition, net of cash acquired, and equity investment	(322)	0
Net cash used in investing activities	(5,480)	(1,624)
Cash flows from financing activities:
Contributions from noncontrolling interest	0	1,020
Issuance of common stock	653	551
Net cash provided by financing activities	653	1,571
Effect of foreign exchange translation on cash	261	(11)
Increase (decrease) in cash and cash equivalents	1,622	(1,910)
Cash and cash equivalents:
Beginning of period	3,835	5,526
End of period	5,457	3,616
Supplemental non-cash information:
Capitalized stock-based compensation	511	198
Common stock used to pay for option exercises	69	63
Decrease in leasehold improvements related to forgiven loan	550	0
Common stock used to pay for acquisition	$ 375	$ 0