Note 19 - Restructuring Charges and Asset Disposals (Details)		1 Months Ended	12 Months Ended
	Jun. 13, 2013 USD ($)	Jul. 31, 2013 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Restructuring and Related Activities [Abstract]
Restructuring Charges			$ 0	$ 0	$ 522,000
Severance Costs	$ 515,000	$ 54,000			643,000
Restructuring Reserve, Accrual Adjustment					$ 121,000
Restructuring and Related Cost, Number of Positions Eliminated	19
Restructuring Reserve			$ 0	$ 0