Note 19 - Supplemental Guarantor Information (Details Textual)	6 Months Ended
	Jun. 30, 2016
Guarantor Subsidiaries [Member]
Equity Method Investment, Ownership Percentage	100.00%
Maximum Percentage of Consolidated Net Worth of Guarantor for Suspension of Guarantee	5.00%
Maximum Aggregate Percentage of Consolidated Net Worth of All Guarantors for Suspension of Guarantee	10.00%
Maximum Aggregate Percentage of Consolidated Net Worth of All Guarantors for Suspension of Guarantee to Permit Cure of Default	15.00%