Stock-Based Compensation; Changes in Equity (Tables)

6 Months Ended

Jun. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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

A summary of the Company’s stock option activity and related information is as follows:

					Weighted
			Weighted		Average
	Shares		Average		Remaining		Aggregate
	under		Exercise		Contractual		Intrinsic
	Option		Price		Life		Value
Balance at December 31, 2016		143,094	$	5.22		2.9	$	89,494
Granted		-		-		-		-
Cancelled/Expired		-		-		-		-
Exercised		-		-		-		-
Outstanding at June 30, 2017		143,094	$	5.22		1.5	$	65,518
Exercisable at June 30, 2017		113,238	$	5.21		1.0	$	53,748

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

A summary of the Company’s stock warrant activity and related information is as follows:

					Weighted
			Weighted		Average
	Shares		Average		Remaining		Aggregate
	under		Exercise		Contractual		Intrinsic
	Warrant		Price		Life		Value
Balance at December 31, 2016		216,723	$	2.48		4.49	$	817,880
Granted		-		-		-		-
Cancelled		-		-		-		-
Exercised		-		-		-		-
Outstanding at June 30, 2017		216,723	$	2.48		4.00	$	794,072
Exercisable at June 30, 2017		76,675	$	7.00		2.08		-

Schedule Of Share Based Compensation Arrangement By Share Based Payment Award Options Vested Outstanding By Grant Date [Table Text Block]

A summary of the Company’s stock option activity by grant date as of June 30, 2017 is as follows:

	Options Outstanding								Options Vested
			Weighted		Remain.		Intrinsic				Weighted		Remain.
Options by Grant Date	Shares		Avg.		Life		Val		Shares		Avg.		Life		Intrinsic Val
Dec 2005		-		-		-		-		-		-		-		-
Dec 2010		-		-		-		-		-		-		-		-
Jan 2011		-		-		-		-		-		-		-		-
Nov 2012		90,000	$	5.17		0.4	$	45,900		90,000	$	5.17		0.4	$	45,900
Nov 2013		5,000	$	5.75		1.4	$	0		4,000	$	5.75		1.4	$	0
Dec 2015		48,094	$	5.27		3.5	$	19,618		19,238	$	5.27		3.5	$	7,848
TOTAL		143,094	$	5.22		1.5	$	65,518		113,238	$	5.21		1.0	$	53,748