Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Taxes [Abstract]

Schedule of Income Tax Provision (Benefit)

The actual income tax provision differs from the expected income tax provision computed at the federal statutory rate as follows:

	Year ended December 31,
	2013			2012			2011
Statutory federal tax benefit		(3,963,246	)		(1,604,648	)		(1,291,175	)
State income tax, net of federal benefit		(1,179,476	)		(19,918	)		(232,489	)
Other permanent differences		(2,706,156	)		4,975			22,101
Foreign rate differential		(710,512	)		(80,292	)		(50,173	)
Rate change		(369,407	)		388,656			-
Lobbying costs		98,507			122,204			-
Write-off of expired/forfeited options and conversion of notes		-			193,605			391,826
Canada transfer pricing and expiring attributes		-			-			(8,965,832	)
Cancellation of debt limitation deferred write off		6,246,942			-			-
Reversal of expiration of net operating losses		-			-			(4,745,271	)
Other		(1,816	)		1,393,366			732,322
Subtotal		(2,585,164	)		397,948			(14,138,691	)
Decrease (increase) in valuation allowance		2,646,910			(202,451	)		14,138,691
Income tax provision (benefit)	$	61,746		$	195,497		$	-

Schedule of Deferred Tax Assets and Liabilities

Our deferred tax assets (liabilities) consisted of the following:

	December 31,
	2013			2012
Deferred tax assets:
Net operating loss ("NOLs") carry forwards	$	61,590,084		$	58,334,073
Fixed assets/intangibles		148,395			114,826
Research and development credits/loss carryforwards		1,726			3,278,995
Share-based compensation		3,368,571			3,047,573
Accrued expenses and other		859,358			2,789,776
Total deferred tax assets		65,968,134			67,565,243
Deferred tax liabilities:
Intercompany bad debt		-			(3,978,944	)
Total deferred tax liabilities		-			(3,978,944	)
Net deferred tax assets		65,968,134			63,586,299
Less: valuation allowance		(66,225,409	)		(63,781,796	)
Net deferred tax liabilities	$	(257,275	)	$	(195,497	)