Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Mar. 31, 2012
Current assets:
Cash and cash equivalents	$ 18,546	$ 18,701
Trade accounts receivable, net of allowance for doubtful accounts of $380 and $379 at June 30, 2012 and March 31, 2012, respectively	10,211	11,081
Costs in excess of billings on uncompleted contracts	5,642	5,360
Inventories	2,370	2,454
Deferred income taxes	2,904	2,904
Prepaid expenses and other current assets	751	425
Total current assets	40,424	40,925
Property and equipment, net	1,838	1,948
Deferred income taxes	6,402	6,761
Intangible assets, net	2,471	2,578
Goodwill	17,318	17,318
Other assets	213	210
Total assets	68,666	69,740
Current liabilities:
Trade accounts payable	3,892	4,044
Accrued payroll and related expenses	2,723	3,398
Accrued liabilities	3,355	2,942
Billings in excess of costs and estimated earnings on uncompleted contracts	1,872	1,542
Current portion of long-term debt		634
Total current liabilities	11,842	12,560
Deferred rent	607	700
Unrecognized tax benefits	319	351
Other non-current liabilities		657
Total liabilities	12,768	14,268
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, 2012 and March 31, 2012 Issued and outstanding shares - 33,690 at June 30, 2012 and 33,909 at March 31, 2012	3,369	3,391
Additional paid-in capital	137,417	137,645
Accumulated deficit	(84,888)	(85,564)
Total stockholders' equity	55,898	55,472
Total liabilities and stockholders' equity	$ 68,666	$ 69,740