Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Schedule Of Net Deferred Tax Assets [Table Text Block]

The components of the deferred tax assets and the valuation allowance are shown below. The state carryforwards are shown net of federal tax.

	December 31,
	2013		2012(1)
Deferred tax assets:
Net operating loss carryforward - Federal	$	71,092,552	$	65,943,411
Net operating loss carryforward - State		9,618,404		8,921,756
Licensing costs, net of amortization		797,329		878,519
Compensation costs and deferred stock compensation		1,633,267		1,683,583
Inventory purchases prior to commercialization		2,671,034		2,671,034
Other temporary differences		248,677		202,462
		86,061,263		80,300,765
Less valuation allowance		(86,061,263)		(80,300,765)
	$	-	$	-

(1) Amounts have been revised to reflect certain deferred tax balances which were previously netted in order to conform to the 2013 presentation.

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

The reasons for the difference between actual income tax benefit and the amount computed by applying the statutory federal income tax rate to the losses before income tax benefit are as follows:

	December 31,
	2013		2012
Rate reconciliation:
Statutory federal rate	-34.00	%	-34.00	%
State income tax rate (net of federal benefit)	-4.60	%	-4.60	%
Certain non-deductible expenses	3.51	%	1.61	%
Effect of increase in valuation allowance	35.09	%	36.99	%
Effective tax rate	0.00	%	0.00	%