Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Mar. 31, 2010
Cash flows from operating activities:
Net income (loss)	$ (6,426)	$ (767)	$ 576
Adjustments to reconcile net income (loss) to net cash flows provided by operating activities:
Tax benefit from stock-based compensation	81	1,253	461
Depreciation and amortization	4,351	3,432	2,329
Impairment of capitalized software projects		8	199
Stock-based compensation	5,118	6,714	2,361
Excess tax benefits from stock-based compensation		(3,987)	(332)
Deferred income taxes	1,425	(1,813)	(245)
Gain on liquidation of investment		(104)
Loss (gain) on sale of assets	1	(15)
Realized gain on marketable securities	(73)	(12)	(374)
Interest on note payable	25
Adjustment to allowance for doubtful accounts	4	80	(32)
(Increase) decrease, net of effect of acquisitions in:
Accounts and notes receivable	2,453	2,505	(982)
Taxes receivable and prepaid taxes	1,726	(491)	(4)
Other assets	93	(212)	113
Increase (decrease), net of effect of acquistions, in:
Accounts payable	(1,932)	935	(942)
Taxes payable	(421)	248	(227)
Accrued liabilities and compensation	2,127	(2,101)	1,659
Deferred revenue	705	(262)	(549)
Deferred rent	944	(23)	(59)
Net cash provided by operating activities	10,201	5,388	3,952
Cash flows from investing activities:
Purchase of marketable securities	(18,403)	(14,911)	(7,300)
Sale or maturity of marketable securities	18,971	9,800	20,200
Proceeds from the sale of assets		17
Proceeds on the liquidation of investment		224
Purchase of property and equipment	(5,135)	(3,591)	(3,703)
Cash paid for acquisition, net of cash acquired		(1,930)	(16,659)
Net cash used in investing activities	(4,567)	(10,391)	(7,462)
Cash flows from financing activities:
Proceeds from note payable	500
Issuance of common stock	262	1,836	1,043
Excess tax benefits from stock-based compensation		3,987	332
Repurchase of common stock	(4,341)		(302)
Net cash provided by (used in) financing activities	(3,579)	5,823	1,073
Effect of foreign exchange translation on cash	(350)	566	271
Increase (decrease) in cash and cash equivalents	1,705	1,386	(2,166)
Cash and cash equivalents:
Beginning of year	3,821	2,435	4,601
End of year	5,526	3,821	2,435
Supplemental non-cash information:
Capitalized stock-based compensation	362	474	36
Supplemental cash flow information:
Income taxes paid	328	156	384
Income tax refunds	$ 2,101	$ 264	$ 643