Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v2.4.0.8
Income Taxes (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Income Tax Contingency [Line Items]    
Unrecognized Tax Benefits $ 114,000  
Effective income tax reconciliation difference, federal research and development tax credit   340,000
Tax positions for which it is reasonably possible that the total amount could change 585,000  
Income Taxes (Textual) [Abstract]    
Provision for income tax $ 2,700,000  
Effective tax rate 30.50%  
United States [Member]
   
Income Tax Contingency [Line Items]    
Open tax examination years 2009 through 2013  
U.S. Federal [Member]
   
Income Tax Contingency [Line Items]    
Open tax examination years 2010 through 2013  
Significant foreign jurisdictions [Member]
   
Income Tax Contingency [Line Items]    
Open tax examination years 2009 through 2013