Consolidated Statements of Operations and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Revenue, net	$ 203,204	$ 199,489	$ 206,540
Cost of sales	34,848	33,456	33,932
Gross profit	168,356	166,033	172,608
Operating expenses:
Commissions and incentives	98,193	96,662	103,120
Selling, general and administrative	59,840	64,922	56,074
Total operating expenses	158,033	161,584	159,194
Operating income	10,323	4,449	13,414
Other expense:
Interest expense	(456)	(570)	(3,321)
Other expense, net	(319)	(969)	(1,409)
Total other expense	(775)	(1,539)	(4,730)
Income before income taxes	9,548	2,910	8,684
Income tax expense	(3,787)	(1,302)	(2,578)
Net income	$ 5,761	$ 1,608	$ 6,106
Net income per share:
Basic (dollars per share)	$ 0.41	$ 0.12	$ 0.44
Diluted (dollars per share)	$ 0.41	$ 0.11	$ 0.42
Weighted-average shares outstanding:
Basic (in shares)	13,992	13,881	13,730
Diluted (in shares)	14,136	14,118	14,531
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	$ 108	$ (87)	$ 244
Other comprehensive income (loss), net of tax:	108	(87)	244
Comprehensive income	$ 5,869	$ 1,521	$ 6,350