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Product Warranties
 6 Months Ended
Jun. 30, 2022
Guarantees and Product Warranties [Abstract]  
Product Warranties Product Warranties
We provide warranties on certain products and record a liability for the estimated future costs associated with warranty claims at the time revenue is recognized. The warranty liability is based on historical experience, any specifically identified failures, and our estimate of future costs. The current portion of our product warranty liability is included in the accrued liabilities and the long-term portion is included in other long-term liabilities in our Consolidated Balance Sheets.

Product warranty liability activity was as follows for the periods presented (in thousands):
Six Months Ended June 30,
 20222021
Product warranty liability, beginning$5,371 $4,711 
Warranty charges incurred, net(409)(1,132)
Provision for warranty charges, net of adjustments198 1,779 
Product warranty liability, ending5,160 5,358 
Less: current portion of product warranty liability(2,325)(2,246)
Non-current portion of product warranty liability$2,835 $3,112