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Product Warranties

12 Months Ended

Dec. 31, 2017

Guarantees and Product Warranties [Abstract]

Product Warranties

11.  PRODUCT WARRANTIES

Product warranty activity for the years ended December 31 was as follows (in thousands):

		2017				2016				2015
Balance at the beginning of the period		$	214			$	585			$	204
Accruals for warranties for products sold in the period			346				358				715
Fulfillment of warranty obligations			(194	)			(527	)			(334	)
Revisions of estimated obligations			(76	)			(202	)			—
Balance at the end of the period		$	290			$	214			$	585

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- References

No definition available.

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- Definition

The entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-URI http://asc.fasb.org/topic&trid=2155896

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