Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details Textual)

v2.4.0.8
Income Taxes (Details Textual) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Operating Loss Carryforwards [Line Items]    
Effective Income Tax Rate, Continuing Operations 32.70% 29.90%
Income Taxes (Textual) [Abstract]    
Unrecognized tax benefits   $ 0
Income taxes payable 29,600,000 29,600,000
State and Local Jurisdiction [Member]
   
Income Taxes (Textual) [Abstract]    
Deferred Tax Assets, Operating Loss Carryforwards 17,900,000 17,900,000
Internal Revenue Service (IRS) [Member]
   
Operating Loss Carryforwards [Line Items]    
Period range when NOL carryforwards can be used   20 years
Operating Loss Carryforwards 9,100,000 9,100,000
Tax Credit Carryforward 5,700,000 5,700,000
Minimum [Member]
   
Operating Loss Carryforwards [Line Items]    
Income Tax Benefit Recognized due to IRC 45L   $ 2,600,000
Minimum [Member] | State and Local Jurisdiction [Member]
   
Operating Loss Carryforwards [Line Items]    
Period range when NOL carryforwards can be used   5 years
Maximum [Member] | State and Local Jurisdiction [Member]
   
Operating Loss Carryforwards [Line Items]    
Period range when NOL carryforwards can be used   20 years