Note 9 - Derivative Instruments (Tables)

6 Months Ended

Jun. 30, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

		June 30, 2014 U.S. Dollar Amount		December 31, 2013 U.S. Dollar Amount
Derivatives designated as hedging instruments:	Assets Balance Sheet Location
Foreign exchange contracts	Other current assets	$	-	$	163
Total derivative contracts		$	-	$	163