Note 12 - Warranty Accrual - Warranty Accrual and Payment Activity (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Balance at beginning of period	$ 29,349	$ 25,666	$ 28,262	$ 21,909
Expense provisions	3,557	3,757	10,642	10,104
Cash payments	(3,425)	(2,798)	(8,894)	(8,494)
Adjustments	389	0	(140)	3,106
Balance at end of period	$ 29,870	$ 26,625	$ 29,870	$ 26,625

Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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-Publisher FASB
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-SubTopic 210
-Section S99
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Amount of decrease in the standard and extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard and extended product warranty.

+ References

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Amount of increase (decrease) in the standard and extended product warranty accrual from changes in estimates attributable to preexisting product warranties.

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The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers.

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