Stock-based Compensation (Details 1)	9 Months Ended
	Sep. 30, 2018 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning | shares	1,651,800
Granted | shares	173,471
Exercised | shares	(49,000)
Forfeited | shares	(50,500)
Expired | shares
Outstanding at ending | shares	1,725,771
Exercisable at ending | shares	1,436,050
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning | $ / shares	$ 1.67
Granted | $ / shares	1.56
Exercised | $ / shares	0.50
Forfeited | $ / shares
Expired | $ / shares
Outstanding at ending | $ / shares	1.57
Exercisable at ending | $ / shares	$ 1.57
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Life [Roll Forward]
Outstanding at beginning	3 years 8 months 12 days
Granted	4 years 10 months 24 days
Outstanding at ending	4 years 4 months 24 days
Exercisable at ending	3 years 10 months 24 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Aggregate Intrinsic Value [Roll Forward]
Outstanding at ending | $		[1]
Exercisable at ending | $		[1]

[1] The aggregate intrinsic value on the table was calculated based on the difference between the estimated fair value of the Company's stock and the exercise price of the underlying option. The estimated stock values used in the calculation was $0.69 and $0.72 per share for the nine months ended September 30, 2018 and the year ended December 31, 2017, respectively.