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Note 15 - Shareholders' Equity (Tables)
6 Months Ended
Jun. 30, 2015
Stockholders' Equity Note [Abstract]  
Comprehensive Income (Loss) [Table Text Block]
 
Three months ended
June 30,
 
Six months ended
June 30,
 
2015
 
2014
 
2015
 
2014
Beginning balance
$
(837)
 
$
360
 
$
(581)
 
$
492 
Other comprehensive (loss) income
 
(62)
   
262
   
(236)
   
287 
Equity method affiliates
 
22 
   
7
   
(60)
   
(150)
Net current-period other comprehensive income
 
(40)
   
269
   
(296)
   
137 
Ending balance
$
(877)
 
$
629
 
$
(877)
 
$
629