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Income Taxes - Income Tax Rate Reconciliation (Details)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Income Tax Disclosure [Abstract]    
Federal statutory rate 34.00% 34.00%
State income tax rate, net of federal benefit (1.00%) 0.00%
Permanent differences (2.00%) 1.00%
Temporary differences (5.00%) 4.00%
New Jersey tax settlement and other 0.00% 11.00%
Change in valuation allowance (22.00%) (65.00%)
Effective income tax rate 4.00% (15.00%)