Note 13 - Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2013	Dec. 31, 2014
State and Local Jurisdiction [Member]
Deferred Tax Assets, Valuation Allowance	$ 2,200,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	2,000,000
Unrecognized Tax Benefits, Period Increase (Decrease)		$ 0
Income Taxes Receivable	$ 23,800,000		$ 5,600,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	35.00%
Deferred Tax Assets, Valuation Allowance	$ 5,360,000		$ 8,663,000
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	(3,300,000)
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	$ 2,000,000