Income Taxes (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets:
Net operating loss carryforward - Federal	$ 71,092,552	$ 65,943,411	[1]
Net operating loss carryforward - State	9,618,404	8,921,756	[1]
Licensing costs, net of amortization	797,329	878,519	[1]
Compensation costs and deferred stock compensation	1,633,267	1,683,583	[1]
Inventory purchases prior to commercialization	2,671,034	2,671,034	[1]
Other temporary differences	248,677	202,462	[1]
Deferred Tax Assets, Gross	86,061,263	80,300,765	[1]
Less valuation allowance	(86,061,263)	(80,300,765)	[1]
Deferred Tax Assets, Net of Valuation Allowance	$ 0	$ 0	[1]

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