Note 7 - Fair Value Measurements (Details) - Assets and Liabilities Carried at Fair Value Measured on a Recurring Basis - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Liabilities:
Foreign currency forwards, liabilities	$ (302)	$ (102)
Interest rate swap, liabilities	(113)	(304)
Total	(415)	(406)
Fair Value, Inputs, Level 1 [Member]
Liabilities:
Foreign currency forwards, liabilities	0	0
Interest rate swap, liabilities	0	0
Total	0	0
Fair Value, Inputs, Level 2 [Member]
Liabilities:
Foreign currency forwards, liabilities	(302)	(102)
Interest rate swap, liabilities	(113)	(304)
Total	(415)	(406)
Fair Value, Inputs, Level 3 [Member]
Liabilities:
Foreign currency forwards, liabilities	0	0
Interest rate swap, liabilities	0	0
Total	$ 0	$ 0