Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities
Net (loss) income	$ (206)	$ 1,121
Changes in operating assets and liabilities, net of effects of discontinued operation:
Deferred income taxes	(61)	594
Depreciation of property and equipment	252	402
Stock-based compensation	185	164
Amortization of intangible assets	321	322
Change in fair value of contingent consideration	8	16
Gain on sale of discontinued operation, net of tax	(95)	(30)
Changes in operating assets and liabilities:
Accounts receivable	469	788
Net costs and estimated earnings in excess of billings	1,497	971
Inventories	279	444
Prepaid expenses and other assets	(244)	(652)
Accounts payable and accrued expenses	393	(946)
Net cash provided by operating activities	2,798	3,194
Cash flows from investing activities
Purchases of property and equipment	(343)	(251)
Capitalized software		(171)
Net proceeds from sale of business segment	98
Net cash (used in) investing activities	(245)	(422)
Cash flows from financing activities
Deferred payment for prior business combination		(409)
Repurchases of common stock	(594)	(339)
Proceeds from stock option exercises	33	185
Issuance of common stock pursuant to restricted stock units	(20)	(31)
Net cash used in financing activities	(581)	(594)
Increase in cash and cash equivalents	1,972	2,178
Cash and cash equivalents at beginning of period	20,414	19,137
Cash and cash equivalents at end of period	$ 22,386	$ 21,315