Income Taxes (Tables)

12 Months Ended

Dec. 31, 2011

Income Taxes [Abstract]

Components of the income tax expense/(benefit) related to continuing operations,

	Year ended December 31, 2011		Year ended December 31, 2010
U.S. Federal:
Current	$	—	$	—
Deferred		—		—
U.S. State:
Current		—		—
Deferred		—		—
	$	—	$	—

Reconciliation between income tax benefit at the U.S. federal statutory rate

	Year ended December 31, 2011			Year ended December 31, 2010
Tax benefit at U.S. federal statutory rate	$	(10,958,402	)	$	(4,490,789	)
Increase in domestic valuation allowance		8,880,185			5,077,136
State income taxbenefit before valuation allowance, net of federal benefit		(1,370,399	)		(789,894	)
Derivative revaluation expense		1,908,031			—
Warrant revaluation expense		1,666,943			162,831
Other		(126,358	)		40,716
	$	—		$	—

Components of the Company's net deferred tax liabilities

	December 31, 2011			December 31, 2010
Deferred tax liabilities:
Intangible assets	$	2,500,000		$	2,500,000
Total deferred tax liabilities	$	2,500,000		$	2,500,000
Deferred tax assets:
Loss carryforwards	$	39,059,449		$	31,162,384
Property and equipment		1,390,315			1,460,890
Accrued expenses and other		1,165,103			1,285,007
Stock compensation		2,103,702			930,103
Total deferred tax assets		43,718,569			34,838,384
Less: valuation allowance		(43,718,569	)		(34,838,384	)
Total deferred tax assets	$	—		$	—
Net deferred tax liabilities	$	2,500,000		$	2,500,000