Stock Options (Tables)

12 Months Ended

Dec. 31, 2017

Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The fair value of stock options is estimated on the date of grant using the Black-Scholes option pricing model. The weighted average fair values of the options granted and weighted average assumptions are as follows:

	For the Years Ended December 31,
	2017			2016
Weighted average fair value of options granted	$	0.73		$	1.11

Risk-free interest rate		1.91	%		1.26%-1.93	%
Expected life (years)		6			5-6
Expected volatility factor		49.62	%		47%-49	%
Expected dividends		None			None

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of option activity under the Plans as of December 31, 2017, and changes during the year then ended, is presented below:

	Number of Options		Weighted - Average Exercise Price		Weighted-Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
Outstanding at January 1, 2017		5,169,169	$	2.88
Granted		40,000		1.50
Exercised		-		-
Forfeited/Expired		(967,370)		3.08
Outstanding at December 31, 2017		4,241,799	$	2.82		4.80	$	-

Exercisable at December 31, 2017		3,567,136	$	2.89		4.08	$	-

Vested and Expected to Vest at December 31, 2017		4,241,799	$	2.82		4.80	$	-