Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Mar. 31, 2013
Current assets:
Cash and cash equivalents	$ 20,414	$ 18,678
Trade accounts receivable, net of allowance for doubtful accounts of $532 and $322 at March 31, 2014 and March 31, 2013, respectively	12,349	10,946
Costs and estimated earnings in excess of billings on uncompleted contracts	5,813	6,346
Inventories	2,546	2,465
Deferred income taxes	1,429	2,363
Prepaid expenses and other current assets	1,275	1,311
Total current assets	43,826	42,109
Property and equipment, net	1,546	1,862
Deferred income taxes	6,112	5,888
Intangible assets, net	1,584	2,124
Goodwill	17,318	17,318
Other assets	221	210
Total assets	70,607	69,511
Current liabilities:
Trade accounts payable	5,913	5,411
Accrued payroll and related expenses	3,971	3,374
Accrued liabilities	1,643	1,979
Billings in excess of costs and estimated earnings on uncompleted contracts	1,391	1,958
Total current liabilities	12,918	12,722
Deferred rent		312
Unrecognized tax benefits	199	286
Other non-current liabilities		310
Total liabilities	13,117	13,630
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, 2014 and March 31, 2013 Issued and outstanding shares - 32,788 at March 31, 2014 and 32,626 at March 31, 2013	3,280	3,264
Additional paid-in capital	135,986	135,802
Accumulated deficit	(81,776)	(83,185)
Total stockholders' equity	57,490	55,881
Total liabilities and stockholders' equity	$ 70,607	$ 69,511