Note 12 - Intangible Assets, Net (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Note 12 - Intangible Assets, Net (Details) [Line Items]
Amortization of Intangible Assets	$ 311,000	$ 357,000
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	945,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	776,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four	770,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	770,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	$ 770,000
Weighted Average [Member]
Note 12 - Intangible Assets, Net (Details) [Line Items]
Finite-Lived Intangible Asset, Useful Life	6 years 43 days