CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Feb. 28, 2015	Feb. 28, 2014
Current assets:
Cash and cash equivalents	$ 34,184	$ 19,233
Short-term marketable securities	10,177	8,500
Accounts receivable, less allowance for doubtful accounts of $673 and $761 at February 28, 2015 and 2014, respectively	47,917	36,904
Inventories	18,666	14,968
Deferred income tax assets	11,367	7,619
Prepaid expenses and other current assets	5,110	5,017
Total current assets	127,421	92,241
Long-term marketable securities		518
Property, equipment and improvements, net of accumulated depreciation and amortization	10,525	5,899
Deferred income tax assets, less current portion	23,455	35,131
Goodwill	15,483	15,422
Other intangible assets, net	22,596	29,131
Other assets	3,137	923
Total assets	202,617	179,265
Current liabilities:
Current portion of long-term debt	688	1,156
Accounts payable	24,012	20,508
Accrued payroll and employee benefits	5,522	6,594
Deferred revenue	10,748	8,251
Other current liabilities	6,035	5,609
Total current liabilities	47,005	42,118
Long-term debt		702
Other non-current liabilities	4,227	3,298
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.01 par value; 3,000 shares authorized; no shares issued or outstanding
Common stock, $.01 par value; 80,000 shares authorized; 36,225 and 35,859 shares issued and outstanding at February 28, 2015 and 2014, respectively	362	359
Additional paid-in capital	207,881	206,154
Accumulated deficit	(56,793)	(73,301)
Accumulated other comprehensive loss	(65)	(65)
Total stockholders' equity	151,385	133,147
Total Liabilities and Stockholders' Equity	$ 202,617	$ 179,265