Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2014

Employee Stock Option [Member]

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:

	2014			2013
		Weighted			Weighted
		Avg.			Avg.
		Exercise			Exercise
	Options	Price		Options	Price
Outstanding beginning of the year	1,465,000	$	3.42	1,313,500	$	3.95
Granted	-			230,000		1.17
Exercised	-			-
Expired and forfeited	(83,000)		2.40	(78,500)		5.57
Outstanding at end of year	1,382,000	$	3.49	1,465,000	$	3.42
Exercisable at end of year	608,000	$	6.39	555,500	$	7.05

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

	As of December 31, 2014
	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
$1.17	202,000	3.17	$	1.17	-	-	$	-
$1.20 - $1.32	715,000	2.00		1.22	143,000	2.00		1.23
$7.92	435,000	0.01		7.92	435,000	0.01		7.92
$8.68	30,000	0.79		8.68	30,000	0.79		8.68
$1.17 - $8.68	1,382,000	1.52	$	3.49	608,000	0.52	$	6.39

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:

	2014			2013
		Weighted			Weighted
		Avg.			Avg.
		Exercise			Exercise
	Warrants	Price		Warrants	Price
Outstanding beginning of the year	37,987	$	1.76	41,827	$	1.49
Granted	11,192		1.17	12,065		2.81
Exercised	-			(7,789)		1.76
Expired	(14,154)		1.23	(8,116)		1.94
Outstanding at end of year	35,025	$	1.78	37,987	$	1.76
Exercisable at end of year	35,025			37,987

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
	2014		2013
Expected warrant life (years)	3.0		3.0
Risk-free weighted average interest rate	1.10	%	0.78	%
Stock price volatility	64.1	%	62.8	%
Dividend yield	0.0	%	0.8	%

Sharebased Compensation Intrinsic Value Actual Tax Benefit Realized And Cash Received [Table Text Block]

The intrinsic value for stock warrants outstanding at December 31, 2014 was $-0-. A summary of the total intrinsic value, actual tax benefit realized, and cash received for stock warrants exercised for the years ended December 31 follows:

	Year ended December 31
	2014		2013
Stock Warrants Exercised:
Intrinsic value	$	-	$	9,548
Actual tax benefit realized		-		2,045
Cash received		-		13,668

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

 

	As of December 31, 2014
	Warrants Outstanding				Warrants Exercisable
Range of	Number	Weighted Avg.	Weighted Avg.		Number	Weighted Avg.
Exercise Prices	Outstanding	Remaining Life	Exercise Price		Exercisable	Exercise Price
$1.17	11,192	3.00	$	1.17	11,192	$	1.17
$1.31	11,768	1.00		1.31	11,768		1.31
$2.81	12,065	2.00		2.81	12,065		2.81
$1.17 - $2.81	35,025	1.98	$	1.78	35,025	$	1.78