Share-Based Payments (Details 1)	9 Months Ended
	Sep. 30, 2016 USD ($) $ / shares shares
Options Outstanding
Outstanding at January 1, 2016 | shares	1,734,429
Granted | shares	455,000
Exercised | shares
Expired | shares	(25,897)
Forfeited | shares	(12,104)
Outstanding at September 30, 2016 | shares	2,151,428
Vested and expected to vest as of September 30, 2016 | shares	2,151,428
Options exercisable at September 30, 2016 (vested) | shares	2,113,615
Weighted Average Exercise Price
Outstanding at January 1, 2016 | $ / shares	$ 2.77
Granted | $ / shares	1.58
Exercised | $ / shares
Expired | $ / shares	1.65
Forfeited | $ / shares	1.65
Outstanding at September 30, 2016 | $ / shares	2.54
Vested and expected to vest as of September 30, 2016 | $ / shares	2.54
Options exercisable at September 30, 2016 (vested) | $ / shares	$ 2.55
Weighted Average Remaining Contractual Life (Years)
Outstanding at September 30, 2016	4 years 10 months 28 days
Vested and expected to vest as of September 30, 2016	4 years 10 months 28 days
Options exercisable at September 30, 2016 (vested)	4 years 10 months 2 days
Aggregated Intrinsic Value
Outstanding at September 30, 2016 | $
Vested and expected to vest as of September 30, 2016 | $
Options exercisable at September 30, 2016 (vested) | $