Stockholders' Equity (Details Narrative) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Jan. 09, 2019	Aug. 23, 2017	Oct. 25, 2016
Common stock shares authorized	50,000,000		50,000,000		50,000,000
Common stock, par value	$ 0.0001		$ 0.0001		$ 0.0001
Common stock shares issued	7,760,030		7,760,030		7,745,030
Preferred stock shares authorized	2,500,000		2,500,000		2,500,000
Preferred stock, par value	$ 0.0001		$ 0.0001		$ 0.0001
Additional treasury shares purchased		14,450		82,689
Average price paid per share		$ 3.97		$ 3.85
Options outstanding and exercisable, term			7 years	7 years
Aggregate intrinsic value of options outstanding and exercisable	$ 300,162		$ 300,162		$ 183,700
Total intrinsic value of options exercised			30,087	$ 6,050
Stock related to exercise of options	$ 6,915	$ 5,651	$ 13,215	$ 5,651
2017 Equity Incentive Plan [Member]
Number of common stock capital shares reserved for future issuance							1,187,500
Percentage of common stock shares issued and outstanding							3.00%
2017 Equity Incentive Plan [Member]
Options issued
Board of Directors [Member]
Common stock shares authorized to repurchase						1,000,000		1,000,000
Class A Common Stock [Member]
Common stock shares authorized	2,500,000		2,500,000		2,500,000
Common stock, par value	$ 0.0001		$ 0.0001		$ 0.0001
Common stock shares issued
Common stock voting rights			Each holder of Class A Common Stock shall be entitled to ten (10) votes for each share of Class A Common Stock held of record by such holder.
Class B Common Stock [Member]
Common stock shares authorized	7,500,000		7,500,000		7,500,000
Common stock, par value	$ 0.0001		$ 0.0001		$ 0.0001
Common stock shares issued
Common Stock [Member]
Common stock shares authorized	60,000,000		60,000,000
Common stock voting rights			Each holder of Common Stock shall be entitled to one (1) vote for each share of Common Stock held of record by such holder.
Stock related to exercise of options	$ 1	$ 1	$ 2	$ 1