Stockholders' Equity - Schedule of Stock Options Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Number of options, granted / vested		41,250
Weighted average exercise price, granted / vested		$ 4.42
Stock Option [Member]
Options outstanding, beginning of year	531,667	557,917
Number of options, granted / vested		41,250
Number of options, redeemed	(220,523)	(67,500)
Number of options, exercised	(10,700)
Number of options, expired / terminated	(21,277)
Number of options outstanding, end of year	279,167	531,667
Number of options exercisable, end of year	279,167	521,667
Weighted exercise price outstanding, beginning of year	$ 1.85	$ 1.60
Weighted average exercise price, granted / vested		4.42
Weighted average exercise price, redeemed	1.30	1.25
Weighted average exercise price, exercised	1.40
Weighted average exercise price, expired / terminated	1.40
Weighted average exercise price outstanding, end of year	2.34	1.85
Weighted average exercise price exercisable, end of year	$ 2.34	$ 1.85