CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Aug. 31, 2011	Feb. 28, 2011
Assets
Cash and cash equivalents	$ 4,256	$ 4,241
Accounts receivable, less allowance for doubtful accounts of $258 and $290 at August 31, 2011 and February 28, 2011, respectively	14,523	16,814
Inventories	11,844	9,890
Costs and estimated earnings in excess of billings on uncompleted contracts	2,203	1,331
Deferred income tax assets	2,073	1,961
Prepaid expenses and other current assets	3,752	3,866
Total current assets	38,651	38,103
Property, equipment and improvements, net of accumulated depreciation and amortization	1,543	1,877
Deferred income tax assets, less current portion	9,758	9,887
Intangible assets, net	3,350	4,012
Other assets	1,078	1,606
Assets, Total	54,380	55,485
Liabilities and Stockholders' Equity
Bank working capital line of credit	5,274	7,489
Current portion of long-term debt	500	0
Accounts payable	13,618	14,103
Accrued payroll and employee benefits	3,382	3,341
Deferred revenue	5,667	5,796
Other current liabilities	2,515	2,140
Total current liabilities	30,956	32,869
Long-term debt	2,500	4,460
Other non-current liabilities	570	554
Commitments and contingencies
Stockholders' equity:
Preferred stock, $.01 par value; 3,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $.01 par value; 40,000 shares authorized; 28,702 and 28,147 shares issued and outstanding at August 31, 2011 and February 28, 2011, respectively	287	281
Additional paid-in capital	153,204	153,135
Accumulated deficit	(133,072)	(134,948)
Accumulated other comprehensive loss	(65)	(866)
Total stockholders' equity	20,354	17,602
Liabilities and Equity, Total	$ 54,380	$ 55,485