UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues	$ 26,281	$ 48,322	$ 37,092	$ 90,700
Cost of revenue	19,018	35,531	27,194	67,626
Gross profit	7,263	12,791	9,898	23,074
Operating expenses:
General and administrative	2,638	2,605	5,049	5,612
Sales and marketing	2,332	2,918	4,186	5,624
Research and development	424	390	839	801
Total operating expenses	5,394	5,913	10,074	12,037
Income (loss) from operations	1,869	6,878	(176)	11,037
Other income (expense):
Other income	35	8	44	20
Interest expense	(1)	(87)	(50)	(223)
Amortization of debt issue costs	(61)	(60)	(122)	(121)
Interest income		1		3
Total other expense	(27)	(138)	(128)	(321)
Income (loss) before income tax	1,842	6,740	(304)	10,716
Income tax expense	(72)	19	1	27
Net income (loss)	$ 1,914	$ 6,721	$ (305)	$ 10,689
Basic net income (loss) per share attributable to common shareholders	$ 0.06	$ 0.22	$ (0.01)	$ 0.36
Weighted-average common shares outstanding	30,669,272	30,189,067	30,511,611	29,957,541
Diluted net income (loss) per share	$ 0.06	$ 0.22	$ (0.01)	$ 0.35
Weighted-average common shares and share equivalents outstanding	31,170,139	30,830,381	30,511,611	30,757,863
Product revenue
Revenues	$ 20,260	$ 35,572	$ 29,961	$ 67,911
Cost of revenue	14,402	25,878	21,631	49,703
Service revenue
Revenues	6,021	12,750	7,131	22,789
Cost of revenue	$ 4,616	$ 9,653	$ 5,563	$ 17,923