Note 18 - Subsequent Event (Details Textual) - Subsequent Event [Member] - 2013 Incentive Stock and Awards Plan [Member] - Performance Shares [Member]	Feb. 05, 2016 USD ($) $ / shares shares
Share-based Compensation Award, Tranche One [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | shares	50,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value | $ / shares	$ 16.35
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Total Value | $	$ 818,000
Share-based Compensation Award, Tranche Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | shares	50,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value | $ / shares	$ 16.35
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Total Value | $	$ 818,000