Note 13 - Stock Option Plans (Tables)

12 Months Ended

Dec. 31, 2013

Note 13 - Stock Option Plans (Tables) [Line Items]

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

	2013				2012
Options outstanding at January 1			345,500				342,500
Options cancelled			(92,000)				(14,000)
Options granted			17,000				17,000
Options outstanding at December 31			270,500				345,500
Options available for grant at December 31			154,000				368,500
Options exercisable at December 31			194,167				220,833
Exercise price ranges per share:
Granted	$		1.33		$		1.64
Outstanding	$	0.69	-	$3.84	$	0.69	-	$ 3.84
Weighted average exercise price per share:
Granted	$		1.33		$		1.64
Outstanding at December 31	$		1.75		$		1.72
Exercisable at December 31	$		1.83		$		1.77

Outstanding [Member]

Note 13 - Stock Option Plans (Tables) [Line Items]

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

Options Outstanding:
Range of Exercise Price				Number Outstanding		Wgt. Avg. Contractual Life Remaining (yrs)	Wgt. Avg. Exercise Price		Aggregate Intrinsic Value
	$0.69	-	$2.08		246,500	6.9	$	1.58	$	28,500
	$3.30	-	$3.84		24,000	3.9	$	3.57		--
	$0.69	-	$3.84		270,500	6.6	$	1.75	$	28,500

Exercisable [Member]

Note 13 - Stock Option Plans (Tables) [Line Items]

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

Options Exercisable:
Range of Exercise Price				Number Exercisable		Wgt. Avg. Contractual Life Remaining (yrs)	Wgt. Avg. Exercise Price		Aggregate Intrinsic Value
	$0.69	-	$2.08		170,167	6.3	$	1.58	$	21,153
	$3.30	-	$3.84		24,000	3.9	$	3.57		--
	$0.69	-	$3.84		194,167	6.0	$	1.83	$	21,153