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Guarantees
3 Months Ended
Mar. 31, 2020
Guarantees [Abstract]  
Guarantees Guarantees

We provide warranties on certain of our products at the time of sale and sell extended warranties. The standard warranty period for our capital equipment is generally one year and our extended warranties typically vary from one to three years. Liability under service and warranty policies is based upon a review of historical warranty and service claim experience. Adjustments are made to accruals as claim data and historical experience warrant.

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


 
Costs associated with extended warranty repairs are recorded as incurred and amounted to $1.5 million and $1.4 million for the three months ended March 31, 2020 and 2019, respectively.