Stockholders' Equity (Details Narrative) - $ / shares	3 Months Ended		12 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018	Aug. 23, 2017	Oct. 25, 2016
Common stock shares authorized	50,000,000		50,000,000
Common stock, par value	$ 0.0001		$ 0.0001
Preferred stock shares authorized	2,500,000		2,500,000
Preferred stock, par value	$ 0.0001		$ 0.0001
Additional treasury shares purchased	68,239
Average Price Paid per Share	$ 3.82
Total Number of Shares Repurchased	10,707
Non vested stock options, outstanding		10,000
Options term	7 years	7 years
Class A Common Stock [Member]
Common stock shares authorized	2,500,000		2,500,000
Common stock, par value	$ 0.0001		$ 0.0001
Common stock voting rights	Ten (10) votes for each share of Class A Common Stock held of record by such holde
Class B Common Stock [Member]
Common stock shares authorized	7,500,000		7,500,000
Common stock, par value	$ 0.0001		$ 0.0001
Preferred Stock [Member]
Preferred stock shares authorized	2,500,000
Preferred stock, par value	$ 0.0001
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
Common Stock [Member]
Common stock shares authorized	60,000,000
Common stock, par value	$ 0.0001
Common stock voting rights	one (1) vote for each share of Common Stock held of record by such holder
Repurchased Shares Cancelled	(78,946)
Common Stock [Member]
Common stock shares authorized	50,000,000
Common stock, par value	$ 0.0001
Treasury Shares Cancelled and Returned to Shares Authorized [Member]
Repurchased Shares Cancelled	78,946
Board of Directors [Member]
Common stock shares authorized to repurchase					1,000,000