Other Accrued Expenses and Current Liabilities (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Accrued expenses
Restructuring liability	$ 39,883	$ 123,037
Accrued rent liability	286,544	190,229
Accrued expenses, other	364,157	177,922
Total accrued expenses	$ 690,584	$ 491,188