Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating activities
Net income (loss)	$ 5,867	$ (2,918)	$ 5,350	$ (4,493)
Adjustments to reconcile income (loss) from operations to net cash provided by operating activities
Depreciation	715	707	1,438	920
Amortization of intangibles	508	614	968	1,292
Amortization of developed technology		3,100		6,303
Deferred income taxes			(269)	(239)
Share-based compensation	1,256	1,345	2,682	1,827
Changes in operating assets and liabilities			(3,527)	(4,376)
Net cash provided by operating activities			6,642	1,234
Investing activities
Capital expenditures			(471)	(1,940)
Additional investments in corporate-owned life insurance policies			(2)	(2)
Net cash used in investing activities			(473)	(1,942)
Financing activities
Repurchase of common shares to satisfy employee tax withholding			(959)	(1,053)
Series A convertible preferred stock issuance proceeds, net of issuance costs			33,969
Payment of preferred stock dividends			(199)
Principal payments under long-term obligations			(12)	(12)
Net cash provided by (used in) financing activities			32,799	(1,065)
Effect of exchange rate changes on cash			85	(83)
Net increase (decrease) in cash and cash equivalents			39,053	(1,856)
Cash and cash equivalents at beginning of period			46,653	40,771
Cash and cash equivalents at end of period	$ 85,706	$ 38,915	$ 85,706	$ 38,915