XML 36 R25.htm IDEA: XBRL DOCUMENT v3.7.0.1
Note 9 - Other Intangible Assets (Tables)
 6 Months Ended
Jun. 30, 2017
Notes Tables  
Schedule of Finite-Lived Intangible Assets [Table Text Block]
    Patents   Non-
Compete		   Customer
List		   Total
Estimated useful life (in years)    
14
      
5
      
5
      
 
  
Gross amount at June 30, 2017   $
429
     $
512
     $
2,046
     $
2,987
  
Accumulated amortization at June 30, 2017    
(429
 )    
(481
 )    
(1,918
 )   $
(2,828
 )
Net balance at June 30, 2017   $
-
     $
31
     $
128
     $
159
  
                                 
Estimated useful life (in years)    
14
      
5
      
5
      
 
  
Gross amount at December 31, 2016   $
429
     $
512
     $
2,046
     $
2,987
  
Accumulated amortization at December 31, 2016    
(429
 )    
(449
 )    
(1,791
 )   $
(2,669
 )
Net balance at December 31, 2016   $
-
     $
63
     $
255
     $
318