Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities
Net loss	$ (192)	$ (19)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Deferred income taxes	(204)	11
Depreciation of property and equipment	151	127
Stock-based compensation	83	99
Amortization of intangible assets	133	160
Change in fair value of contingent consideration		4
Gain on sale of discontinued operation, net of tax	(52)	(49)
Changes in operating assets and liabilities, net of effects of discontinued operation:
Accounts receivable	(447)	(89)
Net costs and estimated earnings in excess of billings	95	954
Inventories	36	601
Prepaid expenses and other assets	(437)	(239)
Accounts payable and accrued expenses	(1,173)	(70)
Net cash (used in) provided by operating activities	(2,007)	1,490
Cash flows from investing activities
Purchases of property and equipment	(323)	(115)
Net proceeds from sale of business segment		98
Net cash used in investing activities	(323)	(17)
Cash flows from financing activities
Repurchases of common stock	(735)	(350)
Net cash used in financing activities	(735)	(350)
(Decrease) increase in cash and cash equivalents	(3,065)	1,123
Cash and cash equivalents at beginning of period	21,961	20,414
Cash and cash equivalents at end of period	$ 18,896	$ 21,537