Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands	3 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net income	$ 399	$ 87
Adjustments to reconcile net income to net cash flows provided by operating activities:
Tax benefit from stock-based compensation		785
Depreciation and amortization	1,059	756
Stock-based compensation	(734)	1,744
Excess tax benefits from stock-based compensation		(654)
Deferred income taxes	(18)	(31)
Realized gain on marketable securities	(7)	(2)
Adjustment to allowance for doubtful accounts	(18)	(45)
(Increase) decrease in:
Accounts and notes receivable	2,371	2,708
Taxes receivable and prepaid taxes	(89)	(470)
Other assets	22	304
Increase (decrease) in:
Accounts payable	(2,436)	(117)
Taxes payable	(17)	(17)
Accrued liabilities and compensation	(639)	(1,124)
Deferred revenue	302	(98)
Deferred rent	18	(16)
Net cash provided by operating activities	213	3,810
Cash flows from investing activities:
Purchase of marketable securities	(3,000)	(6,583)
Sale or maturity of marketable securities	3,000	1,800
Purchase of property and equipment	(1,677)	(1,074)
Net cash used in investing activities	(1,677)	(5,857)
Cash flows from financing activities:
Proceeds from notes payable	500
Issuance of common stock	10	1,030
Excess tax benefits from stock-based compensation		654
Repurchase of common stock	(1,432)
Net cash provided by (used in) financing activities	(922)	1,684
Effect of foreign exchange translation on cash	116	(449)
Decrease in cash and cash equivalents	(2,270)	(812)
Cash and cash equivalents:
Beginning of period	3,821	2,435
End of period	1,551	1,623
Supplemental information:
Capitalized stock-based compensation	$ 91	$ 165