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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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- Definition

Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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- Definition

Amount of loss contingency liability.

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Amount of cash outflow reducing loss contingency liability.

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- Definition

Amount of costs incurred to date for the specified restructuring cost.

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The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s).

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- Definition

Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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Severance, Impairment And Other Charges (Narrative) (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended		30 Months Ended
	Jan. 31, 2019	Dec. 31, 2017	Mar. 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018
Severance, Impairment and Other Charges [Line Items]
Headcount reduction			11.00%
Inventory write-off					$ (14)	$ 290
Impairment					(42)	$ 127
Restructuring costs incurred to date		$ 3,531			3,531
Accruals - Severance Related		17		$ 0	13
China [Member]
Severance, Impairment and Other Charges [Line Items]
Accruals - Severance Related					(15)
U.S. [Member]
Severance, Impairment and Other Charges [Line Items]
Accruals - Severance Related					2
Trade Secrets Case [Member]
Severance, Impairment and Other Charges [Line Items]
Accrual for judgment/settlement		$ 675			$ 675
Trade Secrets Case [Member] \| Subsequent Event [Member]
Severance, Impairment and Other Charges [Line Items]
Net payments due to settlement with defendants	$ 66