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Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Property, Plant and Equipment, Useful Lives [Table Text Block]

Machinery and equipment (years)	3	-	10
Computer equipment and software (years)	3	-	7
Furniture and fixtures (years)	5	-	10

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Tabular disclosure of useful lives of property, plant and equipment.

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