CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Aug. 31, 2011	Aug. 31, 2010	Aug. 31, 2011	Aug. 31, 2010
Revenues	$ 33,801	$ 29,490	$ 68,355	$ 55,836
Cost of revenues	21,976	22,122	47,098	42,345
Gross profit	11,825	7,368	21,257	13,491
Operating expenses:
Research and development	2,679	2,779	5,783	5,542
Selling	2,852	2,675	5,444	5,297
General and administrative	3,030	2,200	5,529	4,709
Intangible asset amortization	310	276	662	582
Total operating expenses	8,871	7,930	17,418	16,130
Operating income (loss)	2,954	(562)	3,839	(2,639)
Non-operating expense:
Interest expense, net	(771)	(368)	(1,145)	(736)
Other expense, net	(821)	0	(803)	(32)
Total non-operating expense	(1,592)	(368)	(1,948)	(768)
Income (loss) before income taxes	1,362	(930)	1,891	(3,407)
Income tax provision	(6)	0	(15)	0
Net income (loss)	$ 1,356	$ (930)	$ 1,876	$ (3,407)
Basic and diluted earnings (loss) per share (in dollars per share)	$ 0.05	$ (0.03)	$ 0.07	$ (0.13)
Shares used in computing earnings (loss) per share:
Basic (in shares)	27,524	27,094	27,441	27,038
Diluted (in shares)	28,310	27,094	28,268	27,038