Consolidated and Combined Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Income Statement [Abstract]
Revenue	$ 139,860	$ 122,985	$ 121,768
Cost of revenue	71,373	67,120	63,461
Gross profit	68,487	55,865	58,307
Operating expenses
Research and development expenses	19,289	17,250	17,236
Selling, general and administrative expenses	39,148	41,022	41,310
Merger and acquisition expenses	444
Total operating expenses	58,881	58,272	58,546
Income/(loss) from operations	9,606	(2,407)	(239)
Interest income	104	51	41
Interest expense	(450)	(516)	(612)
Other income (expenses), net	441	(74)	(15)
Gain on reversal of accrued contingent liability	835
Income/ (loss) before provision for income taxes	10,536	(2,946)	(825)
Provision for income taxes	3,611	2,055	97
Net Income/(loss)	$ 6,925	$ (5,001)	$ (922)
Earnings (Loss) per share:
Basic	$ 0.19	$ (0.14)	$ (0.02)
Diluted	$ 0.18	$ (0.14)	$ (0.02)
Weighted average number of common shares outstanding
Basic	37,209,999	36,540,199	36,477,774
Diluted	39,273,605	36,540,199	36,477,774