Note 4 - Goodwill and Intangible Assets (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of Intangible Assets	$ 954,000	$ 1,300,000	$ 1,600,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	842,000
Finite-Lived Intangible Assets, Amortization Expense, Year Two	789,000
Finite-Lived Intangible Assets, Amortization Expense, Year Three	597,000
Finite-Lived Intangible Assets, Amortization Expense, Year Four	531,000
Finite-Lived Intangible Assets, Amortization Expense, Year Five	522,000
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	$ 369,000