Condensed Consolidated Balance Sheets [Parenthetical] - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Adjustments for chargebacks and other allowances	$ 13,630	$ 13,586
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	11,455,364	11,498,228
Common Stock, Outstanding Shares	11,455,364	11,498,228
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