Accrued Expenses (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Accrued Expenses [Abstract]
Accrued salaries and related benefits	$ 367,413	$ 693,700
Accrued professional fees	11,802	110,921
Other payables	116,793	254,958
Total accrued expenses	$ 496,008	$ 1,059,579