XML 46 R31.htm IDEA: XBRL DOCUMENT v3.19.1
Note 4 - Bank Acceptance Notes (Tables)
 12 Months Ended
Dec. 31, 2018
Notes Tables  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
    December 31,
2018		   December 31,
2017
Balance as of beginning of period   $
904
     $
3,360
  
Received from customers    
—
      
1,985
  
Converted to cash    
(888
 )    
(3,508
 )
Paid to suppliers    
—
      
(1,162
 )
Foreign exchange impact    
(16
 )    
229
  
Balance as of end of period   $
—
     $
904