Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2015	Mar. 31, 2015
Current assets:
Cash and cash equivalents	$ 18,381	$ 21,961
Trade accounts receivable, net of allowance for doubtful accounts of $414 and $314 at December 31, 2015 and March 31, 2015, respectively	11,851	11,206
Costs and estimated earnings in excess of billings on uncompleted contracts	4,111	4,266
Inventories	3,044	3,062
Deferred income taxes	116	2,680
Prepaid expenses and other current assets	1,727	1,338
Total current assets	39,230	44,513
Property and equipment, net	2,124	1,990
Deferred income taxes		5,610
Intangible assets, net	587	987
Goodwill	17,318	17,318
Other assets	201	214
Total assets	59,460	70,632
Current liabilities:
Trade accounts payable	5,232	5,915
Accrued payroll and related expenses	4,320	4,871
Accrued liabilities	1,171	1,320
Billings in excess of costs and estimated earnings on uncompleted contracts	2,471	1,549
Total current liabilities	13,194	13,655
Deferred rent	769	826
Deferred income taxes	794
Unrecognized tax benefits	194	183
Total liabilities	$ 14,951	$ 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 December 31, 2015 and March 31, 2015;Issued and outstanding shares - 32,038 at December 31, 2015 and 32,411 at March 31, 2015	$ 3,205	$ 3,242
Additional paid-in capital	135,179	135,572
Accumulated deficit	(93,875)	(82,846)
Total stockholders' equity	44,509	55,968
Total liabilities and stockholders' equity	$ 59,460	$ 70,632