Annual report pursuant to Section 13 and 15(d)

Note 5 - Capital Stock, Stock Plans, Warrants, and Stock Based Compensation (Tables)

Note 5 - Capital Stock, Stock Plans, Warrants, and Stock Based Compensation (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Stock Options Roll Forward [Table Text Block]

		Shares				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (years)				Aggregate Intrinsic Value (2)
Options outstanding January 1, 2015			239,023			$	7.81
Granted			12,000				4.19
Exercised			(3,423	)			2.79							$	4,298
Forfeited/Expired			(29,400	)			8.13
Options outstanding End of Period (1)			218,200			$	7.65				4.8			$	14,676
Options Exercisable at December 31, 2015 (1)			169,533			$	8.47				4.5			$	14,676
Options Vested and expected to be vested at December 31, 2015			212,333			$	7.72				4.8			$	14,676

		Shares				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (years)				Aggregate Intrinsic Value (2)
Options outstanding January 1, 2014			362,800			$	9.53
Granted			71,800				4.70
Exercised			(2,577	)			2.79							$	3,705
Forfeited/Expired			(193,000	)			9.95
Options outstanding End of Period (1)			239,023			$	7.81				4.9			$	41,957
Options Exercisable at December 31, 2014 (1)			167,223			$	9.15				4.2			$	31,037
Options Vested and expected to be vested at December 31, 2014			230,223			$	7.92				4.9			$	41,957

Schedule of Nonvested Share Activity [Table Text Block]

		Shares				Weighted Average Grant-Date Fair Value
Non-vested options January 1, 2015			71,800			$	2.85
Granted			12,000				2.84
Vested			(35,133	)			2.81
Non-vested options at December 31, 2015			48,667			$	2.87

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		Outside Director Stock Options Granted
		For Year Ended
		2015				2014
Weighted-average fair value per share		$	2.84			$	2.73
Risk -free interest rate (1)			2.21	%			2.63	%
Expected volatility of stock (2)			57.98	%			59.59	%
Dividend yield			None				None
Expected option life (3) (in years)			10.0				10.0

		Employee Stock Option Granted
		For Year Ended 2014
Weighted-average fair value per share		$	2.88
Risk -free interest rate (1)			1.91%
Expected volatility of stock (2)			61.84%
Dividend yield			None
Expected option life (3) (in years)			6.0

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

		Year Ended
		2015				2014
Employee Stock Options		$	53,000			$	(14,000	)
Director Stock Options			39,000				48,000
Total		$	92,000			$	34,000