Note 10 - Share-Based Compensation (Details) (USD $)	3 Months Ended		9 Months Ended		1 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Feb. 28, 2014 Incentive Award [Member]	Feb. 28, 2013 Incentive Award [Member]	Sep. 30, 2014 Restricted Stock [Member]
Note 10 - Share-Based Compensation (Details) [Line Items]
Allocated Share-based Compensation Expense	$ 30,000	$ 106,000	$ 241,000	$ 319,000
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options	0
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense		0	0	0
Share Based Compensation Arrangement by Share Based Payment Award, Historical Annual Forfeiture Rates	2.60%	2.90%	2.60%	2.90%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value					218,000	133,100
Stock Issued During Period, Shares, Share-based Compensation, Gross (in Shares)					35,917	33,187
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)			0	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)			0	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value			12,000	12,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options	$ 0		$ 0
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition			1 year
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in Shares)							38,643