Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Revenue	$ 35,401	$ 31,769	$ 102,989	$ 90,037
Cost of revenue	17,950	16,864	52,391	49,617
Gross profit	17,451	14,905	50,598	40,420
Operating expenses
Research and development expenses	4,820	4,533	14,305	12,669
Selling, general and administrative expenses	9,684	10,274	28,632	31,018
Merger and Acquisition expenses	442		442
Total operating expenses	14,946	14,807	43,379	43,687
Income/(Loss) from operations	2,505	98	7,219	(3,267)
Interest income	7	5	32	18
Interest expense	(114)	(111)	(342)	(378)
Other income (expenses) ,net	(57)	(122)	553	(165)
Gain on reversal of accrued contingent liability			835
Income /(Loss) before provision for income taxes	2,341	(130)	8,297	(3,792)
Provision for income taxes	512	2,939	2,604	1,643
Net Income/(Loss)	$ 1,829	$ (3,069)	$ 5,693	$ (5,435)
Earnings (Loss) per share:
Basic (in dollars per share)	$ 0.05	$ (0.08)	$ 0.16	$ (0.15)
Diluted (in dollars per share)	$ 0.05	$ (0.08)	$ 0.15	$ (0.15)
Weighted average number of common shares outstanding
Basic (in shares)	36,664,718	36,536,797	36,633,300	36,524,799
Diluted (in shares)	38,725,682	36,536,797	38,814,422	36,524,799