Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2013

Warrant [Member]

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

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
	2013		2012
Expected warrant life (years)	3.0		3.0
Risk-free weighted average interest rate	0.78	%	0.37	%
Stock price volatility	62.8	%	46.4	%
Dividend yield	0.8	%	1.6	%

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:

	2013			2012
		Weighted			Weighted
		Avg.			Avg.
		Exercise			Exercise
	Warrants	Price		Warrants	Price
Outstanding beginning of the year	41,827	$	1.49	31,565	$	1.74
Granted	12,065		2.81	13,441		1.31
Exercised	(7,789)		1.76	-
Expired	(8,116)		1.94	(3,179)		3.28
Outstanding at end of year	37,987	$	1.76	41,827	$	1.49
Exercisable at end of year	37,987			41,827

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

	As of December 31, 2013
	Warrants Outstanding				Warrants Exercisable
Range of	Number	Weighted Avg.	Weighted  Avg.		Number	Weighted Avg.
Exercise Prices	Outstanding	Remaining Life	Exercise  Price		Exercisable	Exercise Price
$ 1.23	14,154	1.00	$	1.23	14,154	$	1.23
$ 1.31	11,768	2.00		1.31	11,768		1.31
$ 2.81	12,065	3.00		2.81	12,065		2.81
$1.23 - $2.81	37,987	1.95	$	1.76	37,987	$	1.76

Share-based Compensation, Intrinsic Value, Actual Tax Benefit Realized, and Cash Received [Table Text Block]

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
	2013		2012
Stock Warrants Exercised:
Intrinsic value	$	9,548	$	-
Actual tax benefit realized		2,045		-
Cash received		13,668		-

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:

	2013			2012
		Weighted			Weighted
		Avg.			Avg.
		Exercise			Exercise
	Options	Price		Options	Price
Outstanding beginning of the year	1,313,500	$	3.95	739,500	$	8.29
Granted
Price = Fair Value	230,000		1.17	639,250		1.20
Price > Fair Value	-			135,750		1.32
Exercised	-			-
Expired and forfeited	(78,500)		5.57	(201,000)		9.40
Outstanding at end of year	1,465,000	$	3.42	1,313,500	$	3.95
Exercisable at end of year	555,500	$	7.05	542,375	$	7.79

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

	As of December 31, 2013
	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	230,000	4.17	$	1.17	-	-	$	-
$1.20 - $1.32	755,000	3.00		1.22	75,500	3.00		1.23
$7.92	450,000	1.00		7.92	450,000	1.00		7.92
$8.68	30,000	1.79		8.68	30,000	1.79		8.68
$1.17 - $8.68	1,465,000	2.55	$	3.42	555,500	1.31	$	7.05