Stock Option Plans (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]

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

The following tables summarize information about stock options outstanding for the years ended December 31, 2014 and 2013:

		Weighted-				Weighted-				Weighted-				Weighted-
		Average				Average		2005		Average		2005		Average
	1995	Exercise		1996		Exercise Price		Employee		Exercise		Director		Exercise
	Plan (#)	Price ($)		Plan (#)		($)		Plan (#)		Price ($)		Plan (#)		Price ($)
Shares under option:
Options outstanding at January 1, 2013	61		3.84		30		3.00		1,225		1.67		249		1.40
Granted	-		-		-		-		300		1.00		50		1.00
Exercised	-		-		-		-		(1)		0.76		-		-
Forfeited	-		-		(10)		2.05		(42)		0.99		-		-
Options outstanding at December 31, 2013	61		3.84		20		3.48		1,482		1.56		299		1.34
Granted	-		-		-		-		325		0.94		50		0.88
Exercised	-		-		-		-		(34)		1.20		-		-
Forfeited	(15)		-		(10)		3.10		(83)		1.62		-		-
Options outstanding at December 31, 2014	46		3.84		10		3.85		1,690		1.44		349		1.27
Options exercisable at December 31, 2014	46		3.84		10		3.85		1,084		1.70		299		1.34
Weighted-average fair value of options granted during:
2014	-				-			$	0.61			$	0.56
2013	-				-			$	0.72			$	0.72

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

Total options available for grant were 1,161 and 219 at December 31, 2014 and December 31, 2013, respectively.

	Options Outstanding						Options Exercisable
			Weighted-
	Number of		Average		Weighted-				Weighted-
	Options		Remaining		Average		Number		Average
Range of Exercise	Outstanding		Contractual		Exercise Price		Exercisable		Exercise Price
Prices ($)	at 12/31/14		Life		($)		at 12/31/14		($)
1995 Plan:  3.84		46		0.2		3.84		46		3.84
1996 Plan:  3.85		10		0.1		3.85		10		3.85
2005 Employee Plan: 0.76 to 3.84		1,690		5.9		1.44		1,084		1.70
2005 Director Plan: 0.76 to 1.98		349		6.0		1.27		299		1.34