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Income Taxes (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Income Taxes [Abstract]          
Net deferred tax assets $ 4,400,000   $ 4,400,000   $ 5,200,000
Period in which quarterly pre tax operating results have improved, in months     12 months    
Net operating loss carryforwards statutory period (in years)     20 years    
Deferred tax assets related to operating losses 2,300,000   2,300,000    
Net operating losses 6,800,000   6,800,000    
Valuation allowance 4,400,000   4,400,000    
Deferred tax benefit in net income 4,950,000 (58,000) 4,950,000 (58,000)  
Deferred tax expense in other comprehensive income     $ 587,000