Restatement of Previously Issued Fiancial Statements (Details Textual) (USD $)	2 Months Ended	3 Months Ended		9 Months Ended		18 Months Ended	3 Months Ended
	Feb. 28, 2013 Distributor	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Jun. 30, 2013	Sep. 30, 2012 Other Restatement Adjustments [Member]	Jun. 30, 2011 Other Restatement Adjustments [Member]
Number of distributors, arrangements with extended payment terms	3
Number of distributors, arrangements with return rights and profit margin protection	1
Deferredrevenuerecognizedforonedistributor						$ 9,500,000
Reclassification to contra-revenue		51,197,000	42,713,000	154,555,000	114,755,000			(2,600,000)
Decrease in income tax provision		$ 129,000	$ 416,000	$ 1,802,000	$ 1,849,000		$ (54,000)