Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities
Net income (loss)	$ (1,536)	$ 10,761
Less: Net income (loss) from discontinued operations	(76)	9,624
Net income (loss) from continuing operations	(1,460)	1,137
Adjustments to reconcile net income (loss) from continuing operations to net cash provided by (used in) operating activities:
Project Loss	3,394	0
Right-of-use asset non-cash expense	1,329	563
Deferred income taxes	(360)	2
Depreciation of property and equipment	426	367
Stock-based compensation	1,628	1,331
Amortization of intangible assets	1,618	724
Other	0	47
Loss on disposal of equipment	6	0
Changes in operating assets and liabilities, net of effects of discontinued operation and acquisition:
Trade accounts receivable	(2,729)	(1,104)
Unbilled accounts receivable and deferred revenue	(431)	154
Inventories	(983)	(153)
Prepaid expenses and other assets	(1,208)	(859)
Trade accounts payable and accrued expenses	(906)	2,570
Operating lease liabilities	(1,743)	(561)
Net cash provided by (used in) operating activities - continuing operations	(1,419)	4,218
Net cash used in operating activities - discontinued operations	(49)	(2,027)
Net cash provided by (used in) operating activities	(1,468)	2,191
Cash flows from investing activities
Purchases of property and equipment	(336)	(288)
Purchase of short-term investments	0	(23,655)
Maturities of investments	3,100	13,000
Capitalized software development costs	(1,275)	(416)
Net cash provided by (used in) investing activities - continuing operations	1,489	(11,359)
Net cash provided by investing activities - discontinued operations	1,450	9,690
Net cash provided by (used in) investing activities	2,939	(1,669)
Cash flows from financing activities
Proceeds from stock option exercises	1,407	696
Proceeds from ESPP purchases	239	188
Tax withholding payments for net share settlements of restricted stock units	(179)	0
Net cash provided by financing activities - continuing operations	1,467	884
Net cash provided by financing activities - discontinued operations	0	0
Net cash provided by financing activities	1,467	884
Increase in cash, cash equivalents and restricted cash	2,938	1,406
Cash, cash equivalents and restricted cash at beginning of period	25,468	14,363
Cash, cash equivalents and restricted cash at end of period	28,406	15,769
Supplemental cash flow information:
Income taxes	165	102
Supplemental schedule of non-cash investing and financing activities:
Deferred payment of purchase price receivable	0	1,500
Lease liabilities arising from obtaining right-of-use assets	$ 1,744	$ 310