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Product Warranties
3 Months Ended
Mar. 31, 2021
Guarantees and Product Warranties [Abstract]  
Product Warranties Product Warranties The Company provides warranties on certain products and records 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 its estimate of future costs.
Product warranty liability activity was as follows for the periods presented (in thousands):
Three Months Ended March 31,
 20212020
Product warranty liability, beginning$4,711 $2,984 
Warranty charges incurred, net(701)(766)
Provision for warranty charges, net of adjustments1,285 1,033 
Acquired warranty— 100 
Product warranty liability, ending$5,295 $3,351 
Less: current portion of product warranty liability(2,441)(1,828)
Non-current portion of product warranty liability$2,854 $1,523