Condensed Consolidated Statements of Operations and Other Comprehensive Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Income Statement [Abstract]
Sales, net	$ 51,538	$ 53,438	$ 102,866	$ 106,297
Cost of sales	7,944	8,799	15,753	16,606
Product recall costs	0	5,879	0	5,879
Gross profit	43,594	38,760	87,113	83,812
Operating expenses:
Sales and marketing	29,785	29,593	60,027	59,133
General and administrative	7,561	7,495	14,962	15,404
Research and development	584	742	891	1,257
Depreciation and amortization	498	443	997	681
Total operating expenses	38,428	38,273	76,877	76,475
Operating income	5,166	487	10,236	7,337
Other income (expense), net:
Interest and other income (expense), net	(365)	(16)	(327)	(1)
Total other income (expense)	(365)	(16)	(327)	(1)
Net income before income taxes	4,801	471	9,909	7,336
Income tax expense	(1,519)	(262)	(3,371)	(2,963)
Net income	3,282	209	6,538	4,373
Net income per share:
Basic	$ 0.03	$ 0.00	$ 0.06	$ 0.04
Diluted	$ 0.03	$ 0.00	$ 0.06	$ 0.03
Weighted average shares outstanding:
Basic	105,770	113,449	110,218	112,158
Diluted	112,392	127,131	117,363	126,046
Other comprehensive income, net of tax:
Foreign currency translation adjustment	(192)	68	(466)	63
Other comprehensive income, net of tax:	(192)	68	(466)	63
Comprehensive income	$ 3,090	$ 277	$ 6,072	$ 4,436