Stock Option Plans (Tables)

12 Months Ended

Dec. 31, 2015

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, 2015 and 2014:

			Weighted-				Weighted-
	2005		Average		2005		Average
	Employee		Exercise		Director		Exercise
	Plan (#)		Price ($)		Plan (#)		Price ($)
Shares under option:
Options outstanding at January 1, 2014		1,482		1.56		299		1.34
Granted		325		0.94		50		0.88
Exercised		(34)		1.20		-		-
Forfeited		(83)		1.62		-		-
Options outstanding at December 31, 2014		1,690		1.70		349		1.27
Granted		250		0.40		59		0.95
Exercised		-		-		-		-
Forfeited		(476)		1.20		-		-
Options outstanding at December 31, 2015		1,464		1.33		408		1.22
Options exercisable at December 31, 2015		1,044		1.49		349		1.27
Weighted-average fair value of options granted during:
2015	$	0.02			$	0.02
2014	$	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 852 and 1,161 at December 31, 2015 and December 31, 2014, 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 ($)	at 12/31/15		Life in Years		($)		at 12/31/15		($)
2005 Employee Plan: 0.40 to 3.84		1,464		5.3		1.33		1,044		1.49
2005 Director Plan:  0.76 to 1.98		408		5.7		1.22		349		1.27

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

Restricted stock issued to employees and directors during the years ended December 31, 2015 and 2014, respectively is as follows:

	December 31, 2015				December 31, 2014
							Weighted-
			Weighted-				Average
			Average Grant				Grant Date
	Number of		Date Fair Value		Number of		Fair Value
	shares		per Share		shares		per Share
Non-vested, beginning of period		-		-		-		-
Granted		502		0.58		-		-
Vested		180		0.40		-		-
Non-vested, end of period		322		0.68		-		-