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Note 1 - Organization and Summary of Significant Accounting Policies - Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment, Gross	$ 12,309	$ 5,499
Accumulated depreciation	(5,395)	(3,322)
Property and equipment, net	6,914	2,177
Machinery and Equipment [Member]
Property, Plant and Equipment, Gross	$ 11,793	4,995
Machinery and Equipment [Member] | Minimum [Member]
Useful life (Year)	3 years
Machinery and Equipment [Member] | Maximum [Member]
Useful life (Year)	5 years
Furniture and Fixtures [Member]
Property, Plant and Equipment, Gross	$ 210	203
Furniture and Fixtures [Member] | Minimum [Member]
Useful life (Year)	5 years
Furniture and Fixtures [Member] | Maximum [Member]
Useful life (Year)	7 years
Building [Member]
Useful life (Year)	39 years
Property, Plant and Equipment, Gross	$ 306	$ 301

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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-SubTopic 10
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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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+ References

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

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