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Guarantees (Tables)
3 Months Ended
Mar. 31, 2020
Guarantees [Abstract]  
Changes in the carrying amount of service and product warranties
Changes in the carrying amount of service and product standard warranties for the three months ended March 31, are as follows:
 
2020
 
2019
Balance as of January 1,
$
2,186

 
$
1,585

 
 
 
 
Provision for warranties
355

 
486

Claims made
(363
)
 
(343
)
 
 
 


Balance as of March 31,
$
2,178

 
$
1,728