Note 11 - Intangible Assets, Net (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Disclosure Text Block [Abstract]
Amortization of Intangible Assets	$ 349,000	$ 262,000	$ 1,063,000	$ 788,000
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	344,000		344,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	1,369,000		1,369,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	886,000		886,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four	836,000		836,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 780,000		$ 780,000