Share-Based Payments (Details 1) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Options Outstanding
Outstanding at January 1, 2017	2,101,428
Granted	150,000
Exercised
Expired
Forfeited
Outstanding at March 31, 2017	2,251,428
Vested and expected to vest as of March 31, 2017	2,251,428
Options exercisable at March 31, 2017(vested)	1,687,051
Weighted Average Exercise Price
Outstanding at January 1, 2017	$ 2.42
Granted	1.62
Outstanding at March 31, 2017	2.33
Vested and expected to vest as of March 31, 2017	2.33
Options exercisable at March 31, 2017 (vested)	$ 2.80
Weighted Average Remaining Contractual Life (Years)
Outstanding at March 31, 2017	4 years 8 months 1 day	4 years 8 months 1 day
Vested and expected to vest as of March 31, 2017	4 years 9 months 18 days
Options exercisable at March 31, 2017 (vested)	3 years 4 months 17 days
Aggregated Intrinsic Value
Outstanding at March 31, 2017
Vested and expected to vest as of March 31, 2017
Options exercisable at March 31, 2017 (vested)