Note 5 - Other Income (Expense), Net (Details) - Other Income (Expense), Net (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Note 5 - Other Income (Expense), Net (Details) - Other Income (Expense), Net [Line Items]
Interest expense	$ (184)	$ (153)	$ (454)	$ (453)
Foreign exchange gain (loss)	98	231	(33)	570
Convertible preferred stock warrants remeasurement	(1)	(84)	(149)	(117)
Gain on proceeds from insurance settlement				141
Other non-operating income (expense), net	21	8	45	27
Total other income (expense), net	(40)	(257)	47	(217)
Foreign Exchange Forward [Member]
Note 5 - Other Income (Expense), Net (Details) - Other Income (Expense), Net [Line Items]
Gain (loss) on foreign currency forward contracts	$ 26	$ (259)	$ 638	$ (385)