Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Mar. 31, 2013
Current assets:
Cash and cash equivalents	$ 19,092	$ 19,137
Trade accounts receivable, net of allowance for doubtful accounts of $425 and $322 at June 30, 2013 and March 31, 2013, respectively	12,457	10,946
Costs in excess of billings on uncompleted contracts	5,171	6,346
Inventories	2,073	2,465
Deferred income taxes	2,363	2,363
Prepaid expenses and other current assets	782	852
Total current assets	41,938	42,109
Property and equipment, net	1,796	1,862
Deferred income taxes	5,655	5,888
Intangible assets, net	2,067	2,124
Goodwill	17,318	17,318
Other assets	230	210
Total assets	69,004	69,511
Current liabilities:
Trade accounts payable	4,556	5,411
Accrued payroll and related expenses	3,012	3,374
Accrued liabilities	1,840	1,979
Billings in excess of costs and estimated earnings on uncompleted contracts	2,654	1,958
Total current liabilities	12,062	12,722
Deferred rent	211	312
Unrecognized tax benefits	284	286
Other non-current liabilities	313	310
Total liabilities	12,870	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 June 30, 2013 and March 31, 2013 Issued and outstanding shares - 32,470 at June 30, 2013 and 32,626 at March 31, 2013	3,248	3,264
Additional paid-in capital	135,611	135,802
Accumulated deficit	(82,725)	(83,185)
Total stockholders' equity	56,134	55,881
Total liabilities and stockholders' equity	$ 69,004	$ 69,511