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Income Taxes - Schedule of Income (Loss) Before Income Taxes (Detail) (USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2012
Income Tax Disclosure [Abstract]
Expected (benefit)		$ (7,193,297)	$ (5,871,516)
U.S. income tax expense at the AMT 20% rate		335,991
State income taxes net of federal benefits		77,409	(167,562)
Nondeductible expense		23,010	14,166
Stock options and restricted stock awards		214,670	242,390
Gain on sale of subsidiary stock		8,454,148
Derivatives		(137,755)	521,008
Change in valuation allowance		(1,489,094)	5,067,370
Effects of:
Change in apportionment estimate		400,072	(40,826)
Change in net operating loss estimate		2,240	612,353
Change in capital loss carryover estimate			(374,051)
Change in AMT credit		(320,991)
Other, net		(30,412)	(3,332)
Income tax provision	$ 235,249	$ 335,991

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