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Stock Options (Tables)

12 Months Ended

Dec. 31, 2018

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,
		2018				2017
Weighted average fair value of options granted		$	0.54			$	0.73
Risk-free interest rate			2.73	%			1.91	%
Expected life (years)			5-6				6
Expected volatility factor			44.16%-48.82	%			49.62	%
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, 2018, and changes during the year then ended, are presented below:

		Number of Options				Weighted - Average Exercise Price				Weighted-Average Remaining Contractual Term (years)				Aggregate Intrinsic Value
Outstanding at January 1, 2018			4,241,799			$	2.82
Granted			1,997,500				1.09
Exercised			-				-
Forfeited/Expired			(1,257,259	)			2.76
Outstanding at December 31, 2018			4,982,040			$	2.14				6.62			$	811,025
Exercisable at December 31, 2018			3,272,477			$	2.62				5.19			$	200,524
Vested and Expected to Vest at December 31, 2018			4,982,040			$	2.14				6.62			$	811,025

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- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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