CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 30, 2011	Nov. 30, 2010	Nov. 30, 2011	Nov. 30, 2010
Revenues	$ 32,752	$ 29,553	$ 101,107	$ 85,389
Cost of revenues	22,583	21,854	69,681	64,199
Gross profit	10,169	7,699	31,426	21,190
Operating expenses:
Research and development	2,622	2,733	8,405	8,275
Selling	2,731	2,573	8,175	7,870
General and administrative	2,606	1,981	8,135	6,690
Intangible asset amortization	310	275	972	857
Total operating expenses	8,269	7,562	25,687	23,692
Operating income (loss)	1,900	137	5,739	(2,502)
Non-operating expense:
Interest expense, net	(71)	(354)	(1,216)	(1,090)
Other income (expense), net	(101)	38	(904)	6
Total non-operating expense	(172)	(316)	(2,120)	(1,084)
Income (loss) before income taxes	1,728	(179)	3,619	(3,586)
Income tax provision	(28)	0	(43)	0
Net income (loss)	$ 1,700	$ (179)	$ 3,576	$ (3,586)
Basic and diluted earnings (loss) per share (in dollars per share)	$ 0.06	$ (0.01)	$ 0.13	$ (0.13)
Shares used in computing earnings (loss) per share:
Basic (in shares)	27,869	27,321	27,583	27,133
Diluted (in shares)	28,800	27,321	28,445	27,133