XML 35 R23.htm IDEA: XBRL DOCUMENT v3.20.4
Note 6 - Commitments and Contingencies (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
   

2020

   

2019

 

Balance, January 1

  $ 195     $ 95  

Assumed warranty obligations – SWE

    -       145  

Provision for warranties issued

    200       114  

Settlements made

    (246 )     (159 )

Balance, December 31

  $ 149     $ 195