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Note 3 - Inventories (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Schedule Of Inventory Current And Non Current [Table Text Block]

		March 31, 2022				December 31, 2021
Raw materials		$	47,297			$	44,697
Work-in-process			2,905				3,018
Finished goods			10,620				10,096
Supplies			1,886				1,840
Total inventories		$	62,708			$	59,651

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- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. Includes current and non-current inventory balances.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration