Condensed consolidated statements of operations and comprehensive income (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Net sales	$ 64,527	$ 59,764
Cost of sales	21,186	22,573
Gross profit	43,341	37,191
Selling, general and administrative expenses	40,332	32,055
Restructuring income	0	(1,792)
Operating income	3,009	6,928
Other (expense) income, net	(30)	351
Interest expense, net	(1,468)	(1,717)
Income before provision for income taxes	1,511	5,562
Income tax (provision) benefit	1	(1,856)
Net income	1,512	3,706
Comprehensive income	$ 1,512	$ 3,706
Net income per share:
Basic (in USD per share)	$ 0.03	$ 0.08
Diluted (in USD per share)	$ 0.03	$ 0.07
Weighted average shares outstanding:
Basic (in shares)	48,924,454	48,345,942
Diluted (in shares)	50,939,938	50,317,088