Selected Balance Sheet Data (Components Of Other Accrued Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Other Accrued Liabilities [Abstract]
Pension and postretirement benefit obligations	$ 188	$ 188
Deferred revenue	224	184
Current technology intangible liability	996	1,006
Current earn-out contingent consideration liability	1,060	1,090
Customer funded projects	776	759
Other	1,053	1,008
Total	$ 4,297	$ 4,235

Accrued Liabilities, Technology Intangible

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Other Accrued Liabilities, Customer Funded Projects

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Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

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Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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Amount of liability, recognized in statement of financial position, for pension, other postretirement and postemployment benefits, classified as current.

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