Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v2.4.0.8
Income Taxes (Details) (USD $)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Dec. 31, 2011
Jan. 31, 2013
AIA Purchase Agreement
Sep. 30, 2013
Federal
Dec. 31, 2012
Federal
Sep. 30, 2013
State and Local
Dec. 31, 2012
State and Local
Sep. 30, 2013
Domestic Deferred Tax Assets
Dec. 31, 2012
Domestic Deferred Tax Assets
Sep. 30, 2013
Foreign Deferred Tax Assets
Dec. 31, 2012
Foreign Deferred Tax Assets
Valuation Allowance [Line Items]                              
Income tax benefit (expense) $ 1,161,000 $ 0 $ 1,754,000 $ 0                      
Valuation allowance                       49,500,000 39,600,000 900,000 0
Business combination, deferred tax liabilities, net             24,700,000                
Operating loss carryforwards               96,700,000 81,000,000 57,200,000 54,200,000        
Unrecognized tax position, resulting from business combination     3,400,000                        
Unrecognized tax benefits 4,100,000   4,100,000                        
Accrued interest on unrecognized tax benefits 200,000   200,000                        
Uncertain income tax positions recorded during the year         $ 0 $ 0