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Note 14 - Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

		Years Ended December 31,
		2012				2011				2010
Shares awarded to each non-employee director			5,155				3,418				3,147
Total shares awarded			30,930				20,508				25,176
Average grant-date market price per share		$	9.70			$	14.46			$	15.89
Total compensation cost attributable to shares awarded		$	300,000			$	297,000			$	400,000
Compensation cost recognized related to current and prior year awards		$	283,333			$	194,667			$	283,333

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

		2001 Plan
		Shares				Weighted Average Exercise Price
Outstanding at December 31, 2010			166,540			$	14.85
Exercised			(20,333	)			2.14
Expired/forfeited			(92,307	)			24.12
Outstanding at December 31, 2011			53,900				3.77
Exercised			(24,400	)			3.04
Expired/forfeited			(7,300	)			9.35
Outstanding at December 31, 2012			22,200				3.08

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

			Options Outstanding							Options Exercisable
Range of Exercise Price per Share			Number of Shares		Weighted Average Remaining Contractual Life (Yrs.)		Weighted Average Exercise Price per Share			Number of Shares		Weighted Average Exercise Price per Share
$	3.05 – 3.10		22,200		1.30		$	3.08		22,200		$	3.08

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

		Number of Shares				Aggregate Intrinsic Value
Total outstanding and vested in-the-money options at December 31, 2012			22,200			$	148,441
Total options exercised during 2012			24,400			$	176,513

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

		Warrants Exercised
		Shares				Company’s Proceeds from Exercise				Year-End Warrant Share Balance
Warrants outstanding on January 1, 2010			314,412			$	33,330				334,046
Warrants exercised in 2010			238,981			$	358,471				75,431
Warrants exercised in 2011			75,431			$	113,147				--
Warrants exercised in 2012			--			$	--				--