Stockholders' Equity - Schedule of Stock Options Activity (Details) - $ / shares	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Equity [Abstract]
Options outstanding, beginning of year	557,917	833,967
Number of options, Granted / Vested	41,250	33,750
Number of options, Redeemed	(55,000)	(237,500)
Number of options, Exercised		(15,000)
Number of options, Expired / terminated		(57,717)
Number of options outstanding, end of year	544,167	557,500
Number of options exercisable, end of year	524,167	557,500
Weighted Exercise Price outstanding, beginning of year	$ 1.60	$ 1.20
Weighted average exercise price, Granted / Vested	4.42	3.80
Weighted average exercise price, Redeemed	1.28	0.82
Weighted average exercise price, Exercised		1.10
Weighted average exercise price, Expired / terminated		1.08
Weighted average exercise price outstanding, end of year	2.10	2.46
Weighted average exercise price exercisable, end of year	$ 2.08	$ 2.44