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Note 5 - Inventories (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

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

		December 31,
		2020				2019
Raw materials		$	20,631			$	26,772
Work-in-process			1,416				1,579
Finished goods			5,489				683
Supplies			1,641				1,620
Total inventories		$	29,177			$	30,654

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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.

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No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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