Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities
Net income	$ 460	$ 676
Adjustments to reconcile net income to net cash provided by operating activities:
Deferred income taxes	233	359
Depreciation of property and equipment	211	223
Stock-based compensation	68	67
Amortization of intangible assets	161	161
Change in fair value of contingent consideration	7	(334)
Gain on sale of discontinued operation, net of tax	(30)	(87)
Changes in operating assets and liabilities, net of effects of discontinued operation:
Accounts receivable	(1,511)	870
Net costs and estimated earnings in excess of billings	1,871	48
Inventories	392	84
Prepaid expenses and other assets	80	(242)
Accounts payable and accrued expenses	(1,463)	(862)
Net cash provided by operating activities	479	963
Cash flows from investing activities
Purchases of property and equipment	(145)	(113)
Capitalized software	(104)	(54)
Net cash used in investing activities	(249)	(167)
Cash flows from financing activities
Payments on long-term debt		(634)
Repurchases of common stock	(302)	(442)
Proceeds from stock option exercises	27	125
Net cash used in financing activities	(275)	(951)
Decrease in cash and cash equivalents	(45)	(155)
Cash and cash equivalents at beginning of period	19,137	18,701
Cash and cash equivalents at end of period	$ 19,092	$ 18,546