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Note 13 - Open Tax Years (Details)	12 Months Ended
Note 13 - Open Tax Years (Details)	Dec. 31, 2015
Domestic Tax Authority [Member] \| Earliest Tax Year [Member]
Open Tax Year	2012
Domestic Tax Authority [Member] \| Latest Tax Year [Member]
Open Tax Year	2015
State and Local Jurisdiction [Member] \| Earliest Tax Year [Member]
Open Tax Year	2011
State and Local Jurisdiction [Member] \| Latest Tax Year [Member]
Open Tax Year	2015