Consolidated Balance Sheets [Parenthetical] (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Adjustments for chargebacks and other allowances	$ 5,104	$ 6,124
Treasury Stock, Shares	9,233
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	9,629,174	4,070,373
Common Stock, Outstanding Shares	9,619,941	4,070,373
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	10,868	10,868
Common Stock, Outstanding Shares	10,868	10,868