Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details 2)

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Income Taxes (Details 2) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Operating loss carryfoward, State
Dec. 31, 2013
Operating loss carryfoward, Federal
Dec. 31, 2013
Capital loss carryforward
Dec. 31, 2013
General business credit carryover
Dec. 31, 2013
Charitable contribution carryforward
ValuationAllowanceLineItems              
Valuation allowance $ 111,435,000 $ 64,812,000     $ 96,300,000    
Change in deferred tax asset valuation allowance         $ 0   $ (15,100,000)
Tax credit carryforward expiration     Dec. 31, 2015 Dec. 31, 2023 Dec. 31, 2015 Dec. 31, 2027 Dec. 31, 2016