Consolidated balance sheets Balance Sheet Parenthtical (USD $) In Thousands, except Share data, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Current assets:
Allowance for doubtful accounts	$ 1,885	$ 1,583
Stockholders' Equity:
Common Stock, par value	$ 0.0001	$ 0.0001
Common Stock, shares outstanding	31,995,332	31,981,544
Treasury Stock, shares outstanding	457,107	267,924