Product Warranty (Tables)

9 Months Ended

Sep. 30, 2017

Activities in the Product Warranty Accounts

The Company accrues for estimated warranty costs at the time the related revenue is recognized based on historical experience and projected claims. The Company's long-term contracts generally provide for a one-year warranty on parts, labor and any bug fixes as it relates to customized software embedded in the systems. The portion of the warranty provision expected to be incurred within 12 months is classified as current within accrued warranty and totals $1.3 million, while the remaining $0.5 million is classified as long-term within other liabilities. The activity in the accrued warranty accounts is as follows:

(in thousands)

Balance, January 1, 2017	$	1,478
Current period provision		474
Current period claims		(194)
Currency adjustment		11
Balance at September 30, 2017	$	1,769