Income Taxes - Summary of Reported Tax Benefit and Amount Computed Using U.S. Federal Statutory Rate (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Tax provision (benefit) at statutory rate	$ (321,000)	$ (1,009,000)
State taxes, net of federal benefit	985,000	267,000
Expiring state net operating loss carryforward		455,000
Gain on forgiven interest and cancellation of debt and other	2,567,000	2,567,000
Decrease in valuation allowance	(6,731,000)	(5,080,000)
Permanent items	6,069,000	2,800,000
Income tax benefit