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VALUATION ACCOUNTS (Tables)

12 Months Ended

Dec. 31, 2020

VALUATION ACCOUNTS

Schedule of valuation accounts

​

​	​	​	​	​	​	​	​	​
​		Allowance		Allowance		​		​
​	​	for deferred	​	for doubtful	​	Slow-moving	​	Warranty
​	​	tax assets	​	accounts	​	inventory	​	reserve
Balance as of December 31, 2017		14,266		1,029		723		449
Charges to costs and expenses		515		365		355		433
Deductions: write-off and others		(228)		10		(104)		(334)
Balance as of December 31, 2018		14,553		1,404		974		548
Charges to costs and expenses		859		94		333		131
Deductions: write-off and others		(435)		(9)		(223)		(308)
Balance as of December 31, 2019		14,977		1,490		1,085		370
Charges to costs and expenses		596		90		651		266
Deductions: write-off and others		(65)		(858)		(172)		(268)
Balance as of December 31, 2020		15,508		722		1,563		368

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- Definition

Valuation accounts disclosure.

+ References

No definition available.

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- Definition

Tabular disclosure of the activity by class in any valuation allowance for impairment of recognized servicing assets - including beginning and ending balances, aggregate additions charged and recoveries credited to operations, and aggregate write-downs charged against allowance.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 4
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=116651436&loc=d3e122739-111746

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