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Note 2 - Significant Accounting Policies (Details Textual) $ in Thousands	3 Months Ended			6 Months Ended		12 Months Ended		24 Months Ended
	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2023 USD ($)
Revenue from Contract with Customer, Including Assessed Tax	$ 1,530		$ 4,525	$ 2,030	$ 9,375
Impairment of Long-Lived Assets Held-for-use				0
Number of Operating Segments		1
Furniture and Fixtures [Member]
Property, Plant and Equipment, Useful Life (Year)		7 years
Office Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)		5 years
Equipment [Member]
Property, Plant and Equipment, Useful Life (Year)		5 years
Vehicles [Member]
Property, Plant and Equipment, Useful Life (Year)		5 years
Mobile Facility [Member]
Property, Plant and Equipment, Useful Life (Year)		27 years 6 months
Building [Member]
Property, Plant and Equipment, Useful Life (Year)		39 years
Fair Value, Recurring [Member]
Assets, Fair Value Disclosure	0			0		$ 0
Financial and Nonfinancial Liabilities, Fair Value Disclosure		$ 0				0
Manufacturing Revenue [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 1,530		$ 4,500	$ 2,030	$ 9,000
Janssen [Member] | Manufacturing Revenue [Member]
Revenue from Contract with Customer, Including Assessed Tax						$ 4,500	$ 4,500
Janssen [Member] | Manufacturing Revenue [Member] | Forecast [Member]
Revenue from Contract with Customer, Including Assessed Tax								$ 4,700

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