Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities
Net loss	$ (1,458)	$ (11,029)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Deferred income taxes	24	8,874
Depreciation of property and equipment	544	482
Stock-based compensation	718	429
Amortization of intangible assets	512	400
Gain on sale of discontinued operation, net of tax	(278)	(163)
Loss on disposal of equipment	14	57
Changes in operating assets and liabilities, net of effects of discontinued operation:
Accounts receivable	798	(645)
Net costs and estimated earnings in excess of billings	(125)	1,077
Inventories	400	18
Prepaid expenses and other assets	(275)	(396)
Accounts payable and accrued expenses	1,500	(1,436)
Net cash provided by (used in) operating activities	2,374	(2,332)
Cash flows from investing activities
Purchases of property and equipment	(497)	(673)
Capitalized software development costs	(572)
Net proceeds from sale of discontinued operation	364	284
Net cash used in investing activities	(705)	(389)
Cash flows from financing activities
Repurchases of common stock		(1,194)
Proceeds from stock option exercises	238	367
Tax withholding payments for net share settlements of restricted stock units	(55)	(32)
Net cash provided by (used in) financing activities	183	(859)
Increase (decrease) in cash and cash equivalents	1,852	(3,580)
Cash and cash equivalents at beginning of period	16,029	21,961
Cash and cash equivalents at end of period	17,881	18,381
Supplemental cash flow information:
Interest	14	10
Income taxes	$ 52	$ 177