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Note 3 - Comprehensive Income (Tables)
9 Months Ended
Sep. 30, 2012
Schedule of Comprehensive Income (Loss) [Table Text Block]
Consolidated Statements of
Comprehensive Income
 
Three Months Ended Sept. 30,
   
Nine Months Ended Sept. 30,
 
(unaudited, in thousands)
 
2012
   
2011
   
2012
   
2011
 
Net income (loss)
  $ 57     $ 700     $ (464 )   $ 983  
Other comprehensive income (loss):
                               
Foreign currency translation adjustment
    26       (41 )     7       (43 )
Unrealized gain (loss) on available for sale marketable securities
    11       (21 )     19       (21 )
Comprehensive income (loss)
  $ 94     $ 638     $ (438 )   $ 919