XML 21 R10.htm IDEA: XBRL DOCUMENT v3.19.1
Note 5 - Intangible Assets
 3 Months Ended
Mar. 31, 2019
Notes to Financial Statements  
Business Combinations, Goodwill and Intangibles Disclosure [Text Block]
5.
Intangible Assets
 
Intangible assets as of
March 31, 2019
and
December 31, 2018
consisted of the following:
 
   
Estimated useful
lives (years)
    
March 31,
201
9
    
December 31,
201
8
  
Tradename
  
 5
to
7
     $
555
     $
555
  
Patents and technological know-how
  
 
10
 
      
14,548
      
13,377
  
Proprietary software
  
 3
to
15
      
2,981
      
2,981
  
Other
  
 3
to
5
      
323
      
323
  
Total intangible assets
  
 
 
 
      
18,407
      
17,236
  
Accumulated amortization
  
 
 
 
      
(7,305
)
    
(6,987
)
Total intangible assets, net
  
 
 
 
     $
11,102
     $
10,249
  
 
The amortization of intangible assets for the
three
months ended
March 31, 2019 
and
2018
 was as follows:
 
   
Three months ended March 31,
  
   
201
9
    
201
8
  
Amortization of intangible assets
   $
364
     $
248
  
 
The estimated future amortization expense of intangible assets is as follows:
 
Years ending December 31,
  
Amount
  
2019 (Remainder)
   $
940
  
2020
    
1,126
  
2021
    
1,126
  
2022
    
1,126
  
2023
    
1,033
  
Thereafter
    
5,751
  
Total
    
11,102