Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities
Net (loss) income	$ (38)	$ (192)
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Deferred income taxes	7	(204)
Depreciation of property and equipment	176	151
Stock-based compensation	224	83
Amortization of intangible assets	166	133
Gain on sale of discontinued operation, net of tax	(56)	(52)
Loss on disposal of property and equipment	13
Changes in operating assets and liabilities, net of effects of discontinued operation:
Accounts receivable	(18)	(447)
Net costs and estimated earnings in excess of billings	(1,111)	95
Inventories	513	36
Prepaid expenses and other assets	(311)	(437)
Accounts payable and accrued expenses	(33)	(1,173)
Net cash used in operating activities	(468)	(2,007)
Cash flows from investing activities
Purchases of property and equipment	(292)	(323)
Capitalized software development costs	(256)
Cash proceeds from sale of business segment	59
Net cash used in investing activities	(489)	(323)
Cash flows from financing activities
Repurchases of common stock		(735)
Proceeds from stock option exercises	14
Net cash provided by (used in) financing activities	14	(735)
Decrease in cash and cash equivalents	(943)	(3,065)
Cash and cash equivalents at beginning of period	16,029	21,961
Cash and cash equivalents at end of period	15,086	18,896
Supplemental cash flow information:
Interest	5	5
Income taxes	$ 47	$ 38