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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Detail)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]      
Income tax at the federal statutory rate of 35% 35.00% 35.00% 35.00%
Dividends on Preferred Securities (8.00%) 0.00% 0.00%
Worthless stock deduction 0.00% 0.00% 13.00%
As filed adjustments 0.00% 0.00% (14505.00%)
Adjustments to NOL due to 382 limitation 0.00% (9.00%) 0.00%
Change in valuation allowance (27.00%) (26.00%) 14457.00%
Effective rate 0.00% 0.00% 0.00%