Note 11 - Intangible Assets, Net (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Disclosure Text Block [Abstract]
Amortization of Intangible Assets	$ 357,000	$ 264,000
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	1,068,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	1,418,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	917,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four	865,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	$ 808,000