Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Total revenues	$ 133,572	$ 117,138	$ 107,403
Cost of revenues	86,179	70,282	63,790
Gross profit	47,393	46,856	43,613
Operating expenses:
General and administrative	25,131	24,207	24,047
Sales and Marketing	18,929	14,957	16,618
Research and development	7,354	5,130	4,315
Amortization of intangible assets	2,673	1,504	757
Restructuring charges	0	619	0
Total operating expenses	54,087	46,417	45,737
Operating income (loss)	(6,694)	439	(2,124)
Non-operating income (expense):
Other income (expense)	(18)	54	297
Interest income (expense)	(14)	113	229
Income (loss) from continuing operations before income taxes	(6,726)	606	(1,598)
Provision for income taxes	(174)	(115)	(160)
Net income (loss) from continuing operations	(6,900)	491	(1,758)
Loss from discontinued operations before gain on sale, net of tax	(180)	(1,654)	(3,852)
Gain on sale of discontinued operations, net of tax	0	11,297	0
Net income (loss) from discontinued operations, net of tax	(180)	9,643	(3,852)
Net income (loss)	$ (7,080)	$ 10,134	$ (5,610)
Income (loss) per share - basic:
Income (loss) per share from continuing operations (in dollars per share)	$ (0.16)	$ 0.01	$ (0.04)
Income (loss) per share from discontinued operations (in dollars per share)	0	0.23	(0.10)
Net income (loss) per share (in dollars per share)	(0.16)	0.24	(0.14)
Income (loss) per share - diluted:
Income (loss) per share from continuing operations (in dollars per share)	(0.16)	0.01	(0.04)
Income (loss) per share from discontinued operations (in dollars per share)	0.00	0.23	(0.10)
Net income (loss) per share (in dollars per share)	$ (0.16)	$ 0.24	$ (0.14)
Shares used in basic per share calculations	42,222,000	41,176,000	39,012,000
Shares used in diluted per share calculations	42,222,000	41,599,000	39,012,000
Product revenues
Total revenues	$ 68,729	$ 62,933	$ 55,007
Cost of revenues	40,501	34,933	30,266
Service revenues
Total revenues	64,843	54,205	52,396
Cost of revenues	$ 45,678	$ 35,349	$ 33,524