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Note 1 - Nature of Activities and Summary of Significant Accounting Policies (Details Textual) $ in Thousands, gal in Millions	1 Months Ended		3 Months Ended	9 Months Ended	12 Months Ended
	May 31, 2022 USD ($)	Oct. 31, 2020 USD ($)	Jun. 30, 2022 USD ($)	Sep. 30, 2022 USD ($) gal	Dec. 31, 2021 USD ($)
Number of Reportable Segments				3
GallonPerYear (Gallon) | gal				65
Accounts Receivable, Allowance for Credit Loss, Ending Balance				$ 0	$ 1,404
Awarded Grants				8,000
Proceeds from Grantors				3,900
Matching Contribution				1,600
U.S. Department of Food And Agriculture Forest Service [Member]
Awarded Grants				245
Proceeds from Grantors				73
LCFPP [Member]
Awarded Grants				4,200
Proceeds from Grantors				3,800
CDFAs[Member]
Awarded Grants		$ 7,800		3,200
Proceeds from Grantors		$ 2,300
CEC [Member]
Awarded Grants				1,700	1,700
Matching Contribution				7,900
Actual Expenses Incurred				5,000
CEC [Member] | Maximum [Member]
Awarded Grants				5,000
CAL FIRE Business and Workforce Development Grant Program [Member]
Awarded Grants	$ 2,000
Matching Contribution	5,800
CAL Fire [Member]
Awarded Grants	500
CDFA [Member]
Awarded Grants	$ 642
Proceeds from Grantors			$ 14,200
Matching Contribution				2,400
AAFK Plan [Member]
Awarded Grants				6,000
Matching Contribution				$ 5,300
Accounts Receivables [Member]
Accounts Receivable, Allowance for Credit Loss, Ending Balance					$ 1,400

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