Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2015

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 for the years ended December 31 follows:

	2015				2014
			Weighted				Weighted
			Avg.				Avg.
	Options		Exercise		Options		Exercise
			Price				Price
Outstanding beginning of the year		1,382,000	$	3.49		1,465,000	$	3.42
Granted		915,000		1.11		-
Exercised		-				-
Expired and forfeited		(465,000)		2.40		(83,000)		2.40
Outstanding at end of year		1,832,000	$	1.16		1,382,000	$	3.49
Exercisable at end of year		214,500	$	1.23		608,000	$	6.39

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

The aggregate intrinsic value of stock options outstanding and currently exercisable at December 31, 2015 was $-0-.

	As of December 31, 2015
	Options Outstanding						Options Exercisable
Range of	Number		Weighted Avg.		Weighted Avg.		Number		Weighted Avg.		Weighted Avg.
Exercise Prices	Outstanding		Remaining Life		Exercise Price		Exercisable		Remaining Life		Exercise Price
$ 1.11		915,000		4.17	$	1.11		-		-	$	-
$ 1.17		202,000		2.17		1.17		-		-		-
$1.20 - $1.32		715,000		1.00		1.22		214,500		1.00		1.23
$1.11 - $1.32		1,832,000		2.71	$	1.16		214,500		1.00	$	1.23

Warrant [Member]

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

Schedule Of Share Based Compensation Warrants Activity [Table Text Block]

A summary of the Company’s warrant activity and related information for the years ended December 31 follows:

	2015				2014
			Weighted				Weighted
			Avg.				Avg.
			Exercise				Exercise
	Warrants		Price		Warrants		Price
Outstanding beginning of the year		35,025	$	1.78		37,987	$	1.76
Granted		15,328		0.58		11,192		1.17
Exercised		-				-
Expired		(11,768)		1.31		(14,154)		1.23
Outstanding at end of year		38,585	$	1.45		35,025	$	1.78
Exercisable at end of year		38,585				35,025

Schedule Of Share Based Payment Award Warrants Valuation Assumptions [Table Text Block]

The fair value of the warrants was estimated at the date of grant using a Black-Scholes option pricing model with the following assumptions:

	Year ended December 31
	2015			2014
Expected warrant life (years)		3.0			3.0
Risk-free weighted average interest rate		1.37	%		1.10	%
Stock price volatility		68.2	%		64.1	%
Dividend yield		0.0	%		0.0	%

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

	As of December 31, 2015
	Warrants Outstanding						Warrants Exercisable
Range of	Number		Weighted Avg.		Weighted Avg.		Number		Weighted Avg.
Exercise Prices	Outstanding		Remaining Life		Exercise Price		Exercisable		Exercise Price
$ 0.58		15,328		3.00	$	0.58		15,328	$	0.58
$ 1.17		11,192		2.00		1.17		11,192		1.17
$ 2.81		12,065		1.00		2.81		12,065		2.81
$0.58 - $2.81		38,585		2.08	$	1.45		38,585	$	1.45