Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015
Current assets:
Cash and cash equivalents	$ 18,896	$ 21,961
Trade accounts receivable, net of allowance for doubtful accounts of $312 and $314 at June 30, 2015 and March 31, 2015, respectively	11,653	11,206
Costs and estimated earnings in excess of billings on uncompleted contracts	4,195	4,266
Inventories	3,026	3,062
Deferred income taxes	2,680	2,680
Prepaid expenses and other current assets	1,876	1,338
Total current assets	42,326	44,513
Property and equipment, net	2,162	1,990
Deferred income taxes	5,784	5,610
Intangible assets, net	854	987
Goodwill	17,318	17,318
Other assets	198	214
Total assets	68,642	70,632
Current liabilities:
Trade accounts payable	4,938	5,915
Accrued payroll and related expenses	4,629	4,871
Accrued liabilities	1,383	1,320
Billings in excess of costs and estimated earnings on uncompleted contracts	1,573	1,549
Total current liabilities	12,523	13,655
Deferred rent	807	826
Unrecognized tax benefits	188	183
Total liabilities	$ 13,518	$ 14,664
Commitments and contingencies
Stockholders' equity:
Preferred stock, $1.00 par value: Authorized shares - 2,000 Issued and outstanding shares - none
Common stock, $0.10 par value: Authorized shares - 70,000 at June 30, 2015 and March 31, 2015 Issued and outstanding shares - 32,009 at June 30, 2015 and 32,411 at March 31, 2015	$ 3,202	$ 3,242
Additional paid-in capital	134,960	135,572
Accumulated deficit	(83,038)	(82,846)
Total stockholders' equity	55,124	55,968
Total liabilities and stockholders' equity	$ 68,642	$ 70,632