Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Revenue, net	$ 225,958	$ 203,204	$ 199,489
Cost of sales	37,973	34,848	33,456
Gross profit	187,985	168,356	166,033
Operating expenses:
Commissions and incentives	108,620	98,193	96,662
Selling, general and administrative	69,551	59,840	64,922
Total operating expenses	178,171	158,033	161,584
Operating income	9,814	10,323	4,449
Other expense:
Interest expense	(323)	(456)	(570)
Other expense, net	(261)	(319)	(969)
Total other expense	(584)	(775)	(1,539)
Income before income taxes	9,230	9,548	2,910
Income tax expense	(1,801)	(3,787)	(1,302)
Net income	$ 7,429	$ 5,761	$ 1,608
Net income per share:
Basic (dollars per share)	$ 0.53	$ 0.41	$ 0.12
Diluted (dollars per share)	$ 0.50	$ 0.41	$ 0.11
Weighted-average shares outstanding:
Basic (in shares)	14,055	13,992	13,881
Diluted (in shares)	14,980	14,136	14,118
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	$ 48	$ 108	$ (87)
Other comprehensive income (loss), net of tax:	48	108	(87)
Comprehensive income	$ 7,477	$ 5,869	$ 1,521