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Note 14 - Other Income, Net (Details) - Joint Marketing Agreement [Member] - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Nov. 30, 2015	Dec. 31, 2015
Note 14 - Other Income, Net (Details) [Line Items]
Other Nonrecurring Gain	$ 1.5
Other Nonrecurring Gain, Term of Recognition	3 years
Recognized During the Current Year [Member]
Note 14 - Other Income, Net (Details) [Line Items]
Other Nonrecurring Gain		$ 0.1

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The term over which the nonrecurring gain is recognized.

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Amount of gain that is infrequent in occurrence or unusual in nature.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 20
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6365513&loc=d3e15138-107781

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