Note 14 - Indebtedness - Long-term Debt (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Total long-term debt	$ 95
Current portion	(4)	$ (4)
Long-term debt, excluding current portion	91	$ 71
Term Loan [Member]
Total long-term debt	39
Revolving Credit Facility [Member] \| Line of Credit [Member]
Total long-term debt	$ 56

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant