Note 9 - Stock Option Plan (Tables)

12 Months Ended

Dec. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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

Options	Shares			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding at January 1, 2014		46,000		$	23.96
Granted		---			---
Exercised		(2,500	)		23.00
Forfeited or expired		(23,000	)		24.93
Outstanding at December 31, 2014		20,500		$	23.00		0.85	$	151
Exercisable at December 31, 2014		20,500		$	23.00		0.85	$	151