Income Taxes - Reconciliation of the Federal Statutory Rate to the Company's Effective Tax Rate (Detail)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Federal Statutory Rate	34.00%	34.00%
State Income taxes	0.31%	1.46%
Warrants	0.00%	0.02%
Federal NOL adjustment	(0.48%)	(0.01%)
State NOL expired or adjusted		(29.83%)
Permanent Items: Capital Loss
Permanent Items	0.16%	(1.03%)
Stock Compensation	(0.31%)	(0.54%)
Federal Research Credits	1.64%	(7.01%)
State rate change	(3.38%)
Miscellaneous	(0.03%)	0.51%
(Increase)/ Decrease In Valuation Allowance	(31.91%)	2.43%
Provision for income taxes	0.00%	0.00%