Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash flows from operating activities
Net loss	$ (1,454)	$ (79)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Deferred income taxes	(27)	13
Depreciation of property and equipment	388	361
Stock-based compensation	877	486
Amortization of intangible assets	323	354
Gain on sale of discontinued operation, net of tax	(163)	(191)
Loss on disposal of equipment	6	12
Changes in operating assets and liabilities, net of effects of discontinued operation:
Accounts receivable	(777)	782
Unbilled accounts receivable and deferred revenue, net	257	(1,624)
Inventories	(533)	379
Prepaid expenses and other assets	(529)	(190)
Accounts payable and accrued expenses	(889)	(24)
Net cash (used in) provided by operating activities	(2,521)	279
Cash flows from investing activities
Purchases of property and equipment	(804)	(401)
Capitalized software development costs	(750)	(461)
Net proceeds from sale of discontinued operation	260	88
Net cash used in investing activities	(1,294)	(774)
Cash flows from financing activities
Proceeds from stock option exercises	566	214
Tax withholding payments for net share settlements of restricted stock units	(30)	(35)
Net cash provided by financing activities	536	179
Decrease in cash and cash equivalents	(3,279)	(316)
Cash and cash equivalents at beginning of period	18,201	16,029
Cash and cash equivalents at end of period	14,922
Supplemental cash flow information:
Interest		9
Income taxes	88	$ 47
Supplemental schedule of non-cash investing activities:
Capitalized software development costs included in accounts payable and accrued expenses	$ 395