Stockholders' Equity (Details 1) - $ / shares	6 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
fully vested [Member]
Shares underlying outstanding options
Range of exercise price, lower range	$ 0.01
Range of exercise price, upper range	$ 1.32
Number Outstanding	4,375,250
Weighted Average Exercise price	$ 4.15
fully vested [Member] | Ranges One [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	15,000
Weighted average remaining contractual life (years)	4 years 4 months 13 days
Weighted Average Exercise price	$ 0.01
fully vested [Member] | Ranges Two [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	15,000
Weighted average remaining contractual life (years)	4 years 9 months 3 days
Weighted Average Exercise price	$ 0.01
fully vested [Member] | Ranges Three [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	5,000
Weighted average remaining contractual life (years)	4 years 11 months 12 days
Weighted Average Exercise price	$ 0.01
fully vested [Member] | Ranges Four [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	10,000
Weighted average remaining contractual life (years)	6 years 3 months 4 days
Weighted Average Exercise price	$ 0.01
fully vested [Member] | Ranges Five [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	25,000
Weighted average remaining contractual life (years)	6 years 6 months
Weighted Average Exercise price	$ 0.01
fully vested [Member] | Ranges Six [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	305,000
Weighted average remaining contractual life (years)	6 years 11 months 4 days
Weighted Average Exercise price	$ 0.01
fully vested [Member] | Ranges Seven [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	525,000
Weighted average remaining contractual life (years)	7 years 6 months
Weighted Average Exercise price	$ 0.01
fully vested [Member] | Ranges Eight [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	10,000
Weighted average remaining contractual life (years)	7 years 6 months 3 days
Weighted Average Exercise price	$ 0.01
fully vested [Member] | Ranges Nine [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	60,000
Weighted average remaining contractual life (years)	7 years 9 months 14 days
Weighted Average Exercise price	$ 0.01
fully vested [Member] | Ranges Ten [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	40,000
Weighted average remaining contractual life (years)	8 years 2 months 30 days
Weighted Average Exercise price	$ 0.01
fully vested [Member] | Ranges Eleven [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	180,000
Weighted average remaining contractual life (years)	8 years 6 months
Weighted Average Exercise price	$ 0.01
fully vested [Member] | Ranges Twelve [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	85,000
Weighted average remaining contractual life (years)	8 years 6 months 3 days
Weighted Average Exercise price	$ 0.01
fully vested [Member] | Ranges Thirteen [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	45,000
Weighted average remaining contractual life (years)	8 years 7 months 28 days
Weighted Average Exercise price	$ 0.01
fully vested [Member] | Ranges Fourteen [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	6,000
Weighted average remaining contractual life (years)	8 years 9 months 7 days
Weighted Average Exercise price	$ 0.01
fully vested [Member] | Ranges Fifteen [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	25,000
Weighted average remaining contractual life (years)	9 years 6 months 7 days
Weighted Average Exercise price	$ 0.01
fully vested [Member] | Ranges Sixteen [Member]
Shares underlying outstanding options
Range of exercise price	$ 1.33
Number Outstanding	25,000
Weighted average remaining contractual life (years)	3 years 9 months 29 days
Weighted Average Exercise price	$ 1.33
fully vested [Member] | Ranges Seventeen [Member]
Shares underlying outstanding options
Range of exercise price	$ 1.38
Number Outstanding	108,000
Weighted average remaining contractual life (years)	1 year 6 months 3 days
Weighted Average Exercise price	$ 1.38
fully vested [Member] | Ranges Eighteen [Member]
Shares underlying outstanding options
Range of exercise price	$ 1.38
Number Outstanding	105,307
Weighted average remaining contractual life (years)	5 years 6 months 7 days
Weighted Average Exercise price	$ 1.38
fully vested [Member] | Ranges Nineteen [Member]
Shares underlying outstanding options
Range of exercise price	$ 1.55
Number Outstanding	400,000
Weighted average remaining contractual life (years)	2 years 11 months 4 days
Weighted Average Exercise price	$ 1.55
fully vested [Member] | Ranges Twenty [Member]
Shares underlying outstanding options
Range of exercise price	$ 1.67
Number Outstanding	340,000
Weighted average remaining contractual life (years)	1 year 3 months 4 days
Weighted Average Exercise price	$ 1.67
fully vested [Member] | Ranges Twenty One [Member]
Shares underlying outstanding options
Range of exercise price	$ 1.67
Number Outstanding	405,943
Weighted average remaining contractual life (years)	5 years 3 months 4 days
Weighted Average Exercise price	$ 1.67
fully vested [Member] | Ranges Twenty Two [Member]
Shares underlying outstanding options
Range of exercise price	$ 1.7
Number Outstanding	218,500
Weighted average remaining contractual life (years)	3 years 5 months 23 days
Weighted Average Exercise price	$ 1.7
fully vested [Member] | Ranges Twenty Three [Member]
Shares underlying outstanding options
Range of exercise price	$ 1.75
Number Outstanding	400,000
Weighted average remaining contractual life (years)	4 years 7 days
Weighted Average Exercise price	$ 1.75
fully vested [Member] | Ranges Twenty Four [Member]
Shares underlying outstanding options
Range of exercise price	$ 1.78
Number Outstanding	25,000
Weighted average remaining contractual life (years)	5 years 2 months 8 days
Weighted Average Exercise price	$ 1.78
fully vested [Member] | Ranges Twenty Five [Member]
Shares underlying outstanding options
Range of exercise price	$ 1.87
Number Outstanding	25,000
Weighted average remaining contractual life (years)	2 years 7 months 2 days
Weighted Average Exercise price	$ 1.87
fully vested [Member] | Ranges Twenty Six [Member]
Shares underlying outstanding options
Range of exercise price	$ 1.95
Number Outstanding	25,000
Weighted average remaining contractual life (years)	9 months 3 days
Weighted Average Exercise price	$ 1.95
fully vested [Member] | Ranges Twenty Seven [Member]
Shares underlying outstanding options
Range of exercise price	$ 1.96
Number Outstanding	25,000
Weighted average remaining contractual life (years)	2 months 5 days
Weighted Average Exercise price	$ 1.96
fully vested [Member] | Ranges Twenty Eight [Member]
Shares underlying outstanding options
Range of exercise price	$ 2.03
Number Outstanding	25,000
Weighted average remaining contractual life (years)	1 year 10 months 3 days
Weighted Average Exercise price	$ 2.03
fully vested [Member] | Ranges Twenty Nine [Member]
Shares underlying outstanding options
Range of exercise price	$ 2.31
Number Outstanding	400,000
Weighted average remaining contractual life (years)	4 years 9 months 3 days
Weighted Average Exercise price	$ 2.31
fully vested [Member] | Ranges Thirty [Member]
Shares underlying outstanding options
Range of exercise price	$ 2.61
Number Outstanding	471,500
Weighted average remaining contractual life (years)	2 years 5 months 5 days
Weighted Average Exercise price	$ 2.61
fully vested [Member] | Ranges Thirty One [Member]
Shares underlying outstanding options
Range of exercise price	$ 4.15
Number Outstanding	25,000
Weighted average remaining contractual life (years)	5 years 4 days
Weighted Average Exercise price	$ 4.15
Non-vested [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	100,000
Weighted Average Exercise price	$ 0.01
Non-vested [Member] | Ranges One [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Two [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Three [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Four [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Five [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Six [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Seven [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Eight [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Nine [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Ten [Member]
Shares underlying outstanding options
Range of exercise price	$ 0.01
Number Outstanding	100,000
Weighted average remaining contractual life (years)	9 years 9 months 29 days
Weighted Average Exercise price	$ 0.01
Non-vested [Member] | Ranges Eleven [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Twelve [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Thirteen [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Fourteen [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Fifteen [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Sixteen [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Seventeen [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Eighteen [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Nineteen [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Twenty [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Twenty One [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Twenty Two [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Twenty Three [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Twenty Four [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Twenty Five [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Twenty Six [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Twenty Seven [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Twenty Eight [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Twenty Nine [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Non-vested [Member] | Ranges Thirty One [Member]
Shares underlying outstanding options
Range of exercise price
Number Outstanding
Weighted Average Exercise price
Employee Stock Option [Member]
Shares underlying outstanding options
Weighted Average Exercise price	$ 1.29	$ 1.37