Unaudited Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Total revenues	$ 33,247	$ 29,256	$ 67,332	$ 57,256
Cost of revenues	22,117	17,898	42,109	35,030
Gross profit	11,130	11,358	25,223	22,226
Operating expenses:
General and administrative	6,107	5,872	12,497	11,240
Sales and marketing	4,895	3,374	9,482	6,729
Research and development	1,829	1,134	3,594	2,048
Amortization of intangible assets	668	230	1,336	460
Restructuring charges	0	0	0	619
Total operating expenses	13,499	10,610	26,909	21,096
Operating income (loss)	(2,369)	748	(1,686)	1,130
Non-operating income (expense):
Other income (expense), net	30	(44)	48	(28)
Interest income, net	1	43	4	97
Income (loss) from continuing operations before income taxes	(2,338)	747	(1,634)	1,199
(Provision) benefit for income taxes	249	(28)	174	(62)
Net income (loss) from continuing operations	(2,089)	719	(1,460)	1,137
Loss from discontinued operations before gain on sale, net of tax	(58)	(306)	(76)	(1,664)
Gain on sale of discontinued operations, net of tax	0	0	0	11,288
Net income (loss) from discontinued operations, net of tax	(58)	(306)	(76)	9,624
Net income (loss)	$ (2,147)	$ 413	$ (1,536)	$ 10,761
Income (loss) per share - basic:
Income (loss) per share from continuing operations (in dollars per share)	$ (0.05)	$ 0.02	$ (0.03)	$ 0.03
Income (loss) per share from discontinued operations (in dollars per share)	0.00	(0.01)	0.00	0.24
Net income (loss) per share (in dollars per share)	(0.05)	0.01	(0.03)	0.27
Income (loss) per share - diluted:
Income (loss) per share from continuing operations (in dollars per share)	(0.05)	0.02	(0.03)	0.03
Income (loss) per share from discontinued operations (in dollars per share)	(0.00)	(0.01)	0.00	0.23
Net income (loss) per share (in dollars per share)	$ (0.05)	$ 0.01	$ (0.03)	$ 0.26
Shares used in basic per share calculations	42,282,000	40,989,000	42,079,000	40,860,000
Shares used in diluted per share calculations	42,282,000	41,909,000	42,079,000	41,708,000
Product
Total revenues	$ 17,736	$ 16,265	$ 35,762	$ 30,659
Cost of revenues	8,983	9,332	18,540	17,413
Service
Total revenues	15,511	12,991	31,570	26,597
Cost of revenues	$ 13,134	$ 8,566	$ 23,569	$ 17,617