Condensed Consolidated Balance Sheets [Parenthetical] - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Adjustments for chargebacks and other allowances	$ 9,980	$ 8,708
Treasury Stock, Shares	0	0
Preferred Stock, Par or Stated Value Per Share	$ 0.0001	$ 0.0001
Preferred Stock, Shares Authorized	1,666,667	1,666,667
Preferred Stock, Shares Issued	0	0
Preferred Stock, Shares Outstanding	0	0
Common stock
Common Stock, Par Value (in dollars per share)	$ 0.0001	$ 0.0001
Common Stock, Authorized Shares	33,333,334	33,333,334
Common Stock, Issued Shares	11,489,204	11,387,860
Common Stock, Outstanding Shares	11,489,204	11,387,860
Class C special stock
Common Stock, Par Value (in dollars per share)	$ 0.0001	$ 0.0001
Common Stock, Authorized Shares	781,281	781,281
Common Stock, Issued Shares	10,864	10,864
Common Stock, Outstanding Shares	10,864	10,864