Note 12 - Other income (expense), net (Details) - Summary Other Income (Expense), Net (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Note 12 - Other income (expense), net (Details) - Summary Other Income (Expense), Net [Line Items]
Other Income (Expense), Net	$ (49,000)	$ 8,000	$ 1,776,000	$ 727,000
Exchange Gains (Losses) [Member]
Note 12 - Other income (expense), net (Details) - Summary Other Income (Expense), Net [Line Items]
Other Income (Expense), Net	(49,000)	3,000	1,749,000	725,000
Other, Net [Member]
Note 12 - Other income (expense), net (Details) - Summary Other Income (Expense), Net [Line Items]
Other Income (Expense), Net		$ 5,000	$ 27,000	$ 2,000