Accrued Expenses (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Reconciliation of accrued expenses
Accrued payroll and related expenses	$ 377,403	$ 291,407
Accrued professional services	29,829	11,553
Other	77,228	80,465
Total	$ 484,460	$ 383,425