Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2012	Mar. 31, 2011
Current assets:
Cash and cash equivalents	$ 18,701	$ 11,818
Trade accounts receivable, net of allowance for doubtful accounts of $379 and $385 at March 31, 2012 and 2011, respectively	11,081	9,419
Costs in excess of billings on uncompleted contracts	5,360	4,070
Inventories	2,454	2,392
Deferred income taxes	2,904	2,967
Prepaid expenses and other current assets	425	392
Assets of discontinued operation		7,672
Total current assets	40,925	38,730
Property and equipment, net	1,948	2,461
Deferred income taxes	6,761	10,807
Intangible assets, net	2,578	1,845
Goodwill	17,318	16,522
Other assets	210	203
Total assets	69,740	70,568
Current liabilities:
Trade accounts payable	4,044	2,985
Accrued payroll and related expenses	3,398	3,523
Accrued liabilities	2,942	3,181
Billings in excess of costs and estimated earnings on uncompleted contracts	1,542	1,335
Current portion of long-term debt	634	2,324
Current liabilities of discontinued operation		611
Total current liabilities	12,560	13,959
Long-term debt		640
Deferred rent	700	1,058
Unrecognized tax benefits	351	587
Other non-current liabilities	657	1,028
Total liabilities	14,268	17,272
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, 2012 and 2011 Issued and outstanding shares - 33,909 at March 31, 2012 and 34,364 at March 31, 2011	3,391	3,436
Additional paid-in capital	137,645	137,938
Accumulated deficit	(85,564)	(88,078)
Total stockholders' equity	55,472	53,296
Total liabilities and stockholders' equity	$ 69,740	$ 70,568