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Warranties (Tables)

12 Months Ended

Dec. 31, 2018

Warranties Disclosure [Abstract]

Warranty Rollforward Disclosure [Table Text Block]

		Beginning			(Payments)\						Ending
		Balance			Credits			Additions			Balance
		(in thousands)
Year ended December 31, 2017	$	193			(7)			60		$	246
Year ended December 31, 2018	$	246			(37)			182		$	391

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- References

No definition available.

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- Definition

Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249

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