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Warranty
6 Months Ended
Jun. 30, 2017
Product Warranties Disclosures [Abstract]  
Warranty
Warranty
 
The current liability warranty reserve balance was $5,292,000 at June 30, 2017 and $5,262,000 at December 31, 2016 and is included in Accrued liabilities on the Balance Sheet. The increase was mainly from the Company's U.S. Operations.