Note 3 - Discontinued Operations (Details Textual) - Stabilized Rice Bran (SRB) [Member] - Discontinued Operations, Disposed of by Sale [Member] - USD ($) $ in Thousands			12 Months Ended
Jun. 30, 2023	Jun. 23, 2023	Dec. 31, 2023
Proceeds from Divestiture of Businesses		$ 1,800
Liabilities Assumed		1,700
Proceeds from Divestiture of Businesses, Net of Cash Divested		1,400	$ 1,400
Disposal Group, Including Discontinued Operation, Assets, Net		10,010
Gain (Loss) on Disposition of Business		$ (8,600)
Repayments of Notes Payable	$ 450		$ 500

Amount classified as assets, net of liabilities, attributable to disposal group held for sale or disposed of.

No definition available.

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- Definition

Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

The fair value of liabilities assumed in noncash investing or financing activities.

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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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This element represents the cash inflow during the period from the sale of a component of the entity.

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The cash outflow for a borrowing supported by a written promise to pay an obligation.

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