Note 17 - Other Postretirement Benefits (Details) - Weighted-average Assumption Used to Determine Net Post Retirement Benefit Cost	4 Months Ended	12 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2014	Aug. 31, 2013	Dec. 31, 2012
Successor [Member]
Note 17 - Other Postretirement Benefits (Details) - Weighted-average Assumption Used to Determine Net Post Retirement Benefit Cost [Line Items]
Discount rate	4.09%	4.28%
Salary increase rate	2.50%	2.50%
Predecessor [Member]
Note 17 - Other Postretirement Benefits (Details) - Weighted-average Assumption Used to Determine Net Post Retirement Benefit Cost [Line Items]
Discount rate			3.23%	4.26%
Salary increase rate			2.50%	3.41%