Income Taxes (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Tax at Federal statutory rate	$ (4,377,225)	$ (4,969,270)	$ (7,755,983)
Increase (reduction) in income taxes resulting from:
State and local taxes	8,948	(3,130)	(59)
Non-deductible expenses	25,295	50,070	(25,071)
Settlement costs	56,882	(553,700)	2,625,000
Net effect of foreign operations	552,855	259,592	530,630
Uncertain tax positions	(2,173,905)	140,625	118,351
Change in valuation allowance	4,333,382	5,862,220	5,715,464
Income Tax Expense (Benefit)	$ (1,573,768)	$ 786,407	$ 1,208,332