Amount of loss contingency liability.

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Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable.

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Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

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Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability.

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Amount of increase (decrease) in the standard product warranty accrual. Excludes extended product warranties.

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Note 13 - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Jun. 30, 2020	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Loss Contingency Accrual, Provision	$ 1,150
Accounts Receivable, Credit Loss Expense (Reversal)	$ 499	$ (1,144)
Standard Product Warranty Accrual, Period Increase (Decrease), Total		0	0
Standard Product Warranty Accrual, Ending Balance		159	$ 159
Receivables [Member]
Loss Contingency, Receivable, Ending Balance		2,589
Failure of Equipment to Be Remedied Under Warranty Provision [Member]
Loss Contingency Accrual, Ending Balance		238
Failure of Equipment to Be Remedied Under Warranty Provision [Member] \| Other Accrued Liabilities [Member]
Loss Contingency Accrual, Ending Balance		$ 0		$ 146