Stock Options (Details 3)	6 Months Ended
	Jun. 30, 2020 $ / shares shares
Number of Shares Subject to Outstanding Options | shares	4,788,071
Weighted Average Contractual Life (years)	5 years 5 months 27 days
Weighted Average Exercise Price	$ 2.28
Number of Shares Subject To Options Exercise | shares	1,242,500
Weighted Average Remaining Contractual Life (Years)	5 years 5 months 27 days
Weighted Average Exercise Price	$ 1.96
Exercise Price Range One [Member]
Range of Exercise Prices	$ 1.05
Number of Shares Subject to Outstanding Options | shares	55,000
Weighted Average Contractual Life (years)	4 years
Weighted Average Exercise Price	$ 1.05
Number of Shares Subject To Options Exercise | shares	55,000
Weighted Average Remaining Contractual Life (Years)	3 years 9 months
Weighted Average Exercise Price	$ 1.05
Exercise Price Range Two [Member]
Range of Exercise Prices	$ 1.25
Number of Shares Subject to Outstanding Options | shares	7,500
Weighted Average Contractual Life (years)	5 years 2 months 16 days
Weighted Average Exercise Price	$ 1.25
Number of Shares Subject To Options Exercise | shares	7,500
Weighted Average Remaining Contractual Life (Years)	4 years 11 months 15 days
Weighted Average Exercise Price	$ 1.25
Exercise Price Range Three [Member]
Range of Exercise Prices	$ 1.34
Number of Shares Subject to Outstanding Options | shares	7,500
Weighted Average Contractual Life (years)	5 years 2 months 30 days
Weighted Average Exercise Price	$ 1.34
Number of Shares Subject To Options Exercise | shares	7,500
Weighted Average Remaining Contractual Life (Years)	5 years
Weighted Average Exercise Price	$ 1.34
Exercise Price Range Four [Member]
Range of Exercise Prices	$ 1.4
Number of Shares Subject to Outstanding Options | shares	1,550,000
Weighted Average Contractual Life (years)	5 years 10 months 25 days
Weighted Average Exercise Price	$ 1.4
Number of Shares Subject To Options Exercise | shares	775,000
Weighted Average Remaining Contractual Life (Years)	5 years 10 months 25 days
Weighted Average Exercise Price	$ 1.4
Exercise Price Range Five [Member]
Range of Exercise Prices	$ 1.65
Number of Shares Subject to Outstanding Options | shares	200,000
Weighted Average Contractual Life (years)	5 years 11 months 1 day
Weighted Average Exercise Price	$ 1.65
Number of Shares Subject To Options Exercise | shares	100,000
Weighted Average Remaining Contractual Life (Years)	5 years 11 months 1 day
Weighted Average Exercise Price	$ 1.65
Exercise Price Range Six [Member]
Range of Exercise Prices	$ 1.7
Number of Shares Subject to Outstanding Options | shares	7,500
Weighted Average Contractual Life (years)	5 years 6 months 14 days
Weighted Average Exercise Price	$ 1.7
Number of Shares Subject To Options Exercise | shares	7,500
Weighted Average Remaining Contractual Life (Years)	5 years 3 months 15 days
Weighted Average Exercise Price	$ 1.7
Exercise Price Range Seven [Member]
Range of Exercise Prices	$ 1.96
Number of Shares Subject to Outstanding Options | shares	100,000
Weighted Average Contractual Life (years)	5 years 11 months 23 days
Weighted Average Exercise Price	$ 1.96
Number of Shares Subject To Options Exercise | shares	50,000
Weighted Average Remaining Contractual Life (Years)	5 years 11 months 23 days
Weighted Average Exercise Price	$ 1.96
Exercise Price Range Eight [Member]
Range of Exercise Prices	$ 2.28
Number of Shares Subject to Outstanding Options | shares	7,500
Weighted Average Contractual Life (years)	6 years 3 months 19 days
Weighted Average Exercise Price	$ 2.28
Number of Shares Subject To Options Exercise | shares	7,500
Weighted Average Remaining Contractual Life (Years)	6 years 18 days
Weighted Average Exercise Price	$ 2.28
Exercise Price Range Nine [Member]
Range of Exercise Prices	$ 4.2
Number of Shares Subject to Outstanding Options | shares	232,500
Weighted Average Contractual Life (years)	4 years 11 days
Weighted Average Exercise Price	$ 4.2
Number of Shares Subject To Options Exercise | shares	232,500
Weighted Average Remaining Contractual Life (Years)	4 years 11 days
Weighted Average Exercise Price	$ 4.2
Exercise Price Range Ten [Member]
Range of Exercise Prices	$ 1.98
Number of Shares Subject to Outstanding Options | shares	667,800
Weighted Average Contractual Life (years)	5 years 7 months 17 days
Weighted Average Exercise Price	$ 1.98
Number of Shares Subject To Options Exercise | shares
Weighted Average Remaining Contractual Life (Years)
Weighted Average Exercise Price
Exercise Price Range Eleven [Member]
Range of Exercise Prices	$ 2.48
Number of Shares Subject to Outstanding Options | shares	667,800
Weighted Average Contractual Life (years)	5 years 7 months 17 days
Weighted Average Exercise Price	$ 2.48
Number of Shares Subject To Options Exercise | shares
Weighted Average Remaining Contractual Life (Years)
Weighted Average Exercise Price
Exercise Price Range Twelve [Member]
Range of Exercise Prices	$ 3.23
Number of Shares Subject to Outstanding Options | shares	664,400
Weighted Average Contractual Life (years)	5 years 7 months 17 days
Weighted Average Exercise Price	$ 3.23
Number of Shares Subject To Options Exercise | shares
Weighted Average Remaining Contractual Life (Years)
Weighted Average Exercise Price
Exercise Price Range Thirteen [Member]
Range of Exercise Prices	$ 3.23
Number of Shares Subject to Outstanding Options | shares	620,571
Weighted Average Contractual Life (years)	5 years 9 months 3 days
Weighted Average Exercise Price	$ 3.23
Number of Shares Subject To Options Exercise | shares
Weighted Average Remaining Contractual Life (Years)
Weighted Average Exercise Price