Guarantees

6 Months Ended

Jun. 30, 2021

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 warranty policies is based upon a review of historical claim experience. Adjustments are made to accruals as claim data and historical experience warrant.

Changes in the liability for standard warranties for the six months ended June 30, are as follows:

	2021		2020
Balance as of January 1,	$	1,826	$	2,186
Provision for warranties	864		427
Claims made	(440)		(584)
Balance as of June 30,	$	2,250	$	2,029

Costs associated with extended warranty repairs are recorded as incurred and amounted to $3.4 million and $3.0 million for the six months ended June 30, 2021 and 2020, respectively.