Note 13 - Share-Based Compensation (Details) (USD $)	12 Months Ended			12 Months Ended								12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2003	Dec. 31, 2013 Stock Appreciation Rights (SARs) [Member]	Dec. 31, 2012 Stock Appreciation Rights (SARs) [Member]		Dec. 31, 2013 Common Stock [Member]	Dec. 31, 2012 Common Stock [Member]	Dec. 31, 2011 Common Stock [Member]	Dec. 31, 2013 Available to Issue	Dec. 31, 2012 Available to Issue	Dec. 31, 2013 Director [Member]
Note 13 - Share-Based Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)			2,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term	5 years				5 years	[1]						10 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Intrinsic Value	$ 2,214,000			$ 898,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercised, Intrinsic Value	796,000	269,000		36,000	122,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)	$ 3.01	$ 3.38		$ 2.97	$ 3.59
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)	206,441	138,252		9,786	134,304		206,441	138,252
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)										2,484,281	1,284,675
Allocated Share-based Compensation Expense	788,000	893,000
Deferred Other Tax Expense (Benefit)	(72,000)	(96,000)
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	0
Proceeds from Stock Options Exercised	2,216,000	889,000
Deferred Tax Expense from Stock Options Exercised	$ 270,000	$ 60,000
Stock Repurchased During Period, Shares (in Shares)		34,073							34,073
Shares, Issued (in Shares)									41,596

[1] The expected life in years for awards granted was based on the historical exercise patterns experienced by the Company when the award is made.