Note 15 - Subsequent Event (Details Textual) - USD ($) $ in Millions	Jan. 20, 2023	May 28, 2020
Term Loan Payable to Farm Credit East ACA [Member]
Debt Instrument, Face Amount		$ 100
Debt Instrument, Interest Rate, Stated Percentage		3.3012%
Term Loan Payable to Farm Credit East ACA [Member] \| Subsequent Event [Member]
Debt Instrument, Face Amount	$ 100
Debt Instrument, Interest Rate, Stated Percentage	3.3012%
Term Loan Payable To Farm Credit East ACA A-2 [Member] \| Subsequent Event [Member]
Debt Instrument, Face Amount	$ 175

Face (par) amount of debt instrument at time of issuance.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant