Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Current assets:
Cash and cash equivalents	$ 21,961	$ 20,414
Trade accounts receivable, net of allowance for doubtful accounts of $314 and $532 at March 31, 2015 and March 31, 2014, respectively	11,206	12,349
Costs and estimated earnings in excess of billings on uncompleted contracts	4,266	5,813
Inventories	3,062	2,546
Deferred income taxes	2,680	1,429
Prepaid expenses and other current assets	1,338	1,275
Total current assets	44,513	43,826
Property and equipment, net	1,990	1,546
Deferred income taxes	5,610	6,112
Intangible assets, net	987	1,584
Goodwill	17,318	17,318
Other assets	214	221
Total assets	70,632	70,607
Current liabilities:
Trade accounts payable	5,915	5,913
Accrued payroll and related expenses	4,871	3,971
Accrued liabilities	1,320	1,643
Billings in excess of costs and estimated earnings on uncompleted contracts	1,549	1,391
Total current liabilities	13,655	12,918
Deferred rent	826
Unrecognized tax benefits	183	199
Total liabilities	14,664	13,117
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 March 31, 2015 and March 31, 2014 Issued and outstanding shares - 32,411 at March 31, 2015 and 32,788 at March 31, 2014	3,242	3,280
Additional paid-in capital	135,572	135,986
Accumulated deficit	(82,846)	(81,776)
Total stockholders' equity	55,968	57,490
Total liabilities and stockholders' equity	$ 70,632	$ 70,607