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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Detail)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Tax Disclosure [Abstract]      
Statutory Rate on pre-tax book loss (34.00%) (34.00%) (34.00%)
Stock option issuance 0.08% 1.22% (0.36%)
Disallowed interest 3.57% 12.05% (3.45%)
Derivatives 13.71% (56.26%) 64.49%
Expired net operating losses and credits 48.54% 61.64% (13.35%)
Utilization of net operating loss (2.86%)    
State Tax benefit of Sale of NJ NOL 0.00% (60.67%) 0.00%
True-ups and adjustments (0.06%) 5.29% 0.81%
Change in federal valuation allowance (28.85%) 10.06% (14.14%)
Total 0.13% (60.67%) 0.00%