Stock Options (Details 1) - Employee Stock Option [Member]	12 Months Ended
	Dec. 31, 2016 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Options, Outstanding at January 1, 2016 (in shares) | shares	3,970,146
Number of Options, Granted (in shares) | shares	1,470,000
Number of Options, Exercised (in shares) | shares	0
Number of Options, Forfeited/Expired (in shares) | shares	(270,977)
Number of Options, Outstanding at December 31, 2016 (in shares) | shares	5,169,169
Number of Options, Exercisable at December 31, 2016 (in shares) | shares	2,689,943
Number of Options, Vested and Expected to Vest at December 31, 2016 (in shares) | shares	5,169,169
Weighted - Average Exercise Price, Outstanding at January 1, 2016 (in dollars per share) | $ / shares	$ 3.02
Weighted - Average Exercise Price, Granted (in dollars per shares) | $ / shares	2.55
Weighted - Average Exercise Price, Exercised (in dollars per share) | $ / shares	0
Weighted - Average Exercise Price, Forfeited/Expired (in dollars per share) | $ / shares	3.10
Weighted - Average Exercise Price, Outstanding at December 31, 2016 (in dollars per share) | $ / shares	2.88
Weighted - Average Exercise Price, Exercisable at December 31, 2016 (in dollars per share) | $ / shares	3.06
Weighted - Average Exercise Price, Vested and Expected to Vest at December 31, 2016 (in dollars per share) | $ / shares	$ 2.88
Weighted - Average Remaining Contractual Term, Outstanding at December 31, 2016 (in years)	5 years 9 months 4 days
Weighted - Average Remaining Contractual Term, Exercisable at December 31, 2016 (in years)	4 years 4 months 20 days
Weighted - Average Remaining Contractual Term, Vested and Expected to Vest at December 31, 2016 (in years)	5 years 9 months 4 days
Aggregate Intrinsic Value, Outstanding at December 31, 2016 | $	$ 38,000
Aggregate Intrinsic Value, Exercisable at December 31, 2016 | $	7,887
Aggregate Intrinsic Value, Vested and Expected to Vest at December 31, 2016 | $	$ 38,000