Product Warranty (Tables)

3 Months Ended

Mar. 31, 2020

Product Warranty [Abstract]

Activities in the Accrued Warranty Accounts

We accrue for estimated warranty costs at the time the related revenue is recognized and based on historical experience and projected claims. Our System Design and Build contracts generally include a one-year base warranty on the systems. The portion of our warranty provision expected to be incurred within 12 months is classified as current within accrued warranty and totals $949 thousand and the remaining $344 thousand is classified as long-term within other liabilities. The activity in the accrued warranty accounts during the current period is as follows:

(in thousands)
Balance, January 1, 2020	$	1,323
Current period provision		47
Current period claims		(73	)
Currency adjustment		(4	)
Balance at March 31, 2020	$	1,293