The number of warrants or rights exercised during period.

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- Definition

The amount of a reclassification adjustment made to current period financial statement amounts.

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The percent of extension option fee for debt instrument.

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Number of shares issued for debt reassignment fee.

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Number of shares issued during the period as a result of the exercise of warrants.

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The number of shares issued for payment of debt extension fees.

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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- Definition

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

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Amount of expense (income) related to adjustment to fair value of warrant liability.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash outflow to acquire an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Note 2 - Long-term Debt (Details Textual) - USD ($) $ / shares in Units, $ in Thousands						6 Months Ended
	Jul. 02, 2021	May 18, 2021	May 10, 2021	Mar. 24, 2020	Mar. 23, 2020	Jun. 30, 2021	Jun. 30, 2020	Mar. 24, 2021	Mar. 23, 2021	May 31, 2017
Fair Value Adjustment of Warrants						$ (573)	$ 51
Debt Instrument, Extension Option Fee Percentage		1.00%
Repayments of Long-term Debt, Total						27	$ 23
Affiliate of BRS [Member] \| Senior Secured Debt Issued By Cadiz [Member] \| Subsequent Event [Member]
Payments to Acquire Notes Receivable	$ 77,500
Lenders [Member]
Stock Issued During Period, Shares, Payment of Debt Extension Fees (in shares)		64,356
Apollo [Member] \| Subsequent Event [Member]
Stock Issued During Period, Shares Debt Reassignment Fee (in shares)	363,566
Additional Paid-in Capital [Member] \| Reclassification of Debt Issuance Costs to Additional Paid In Capital [Member]
Current Period Reclassification Adjustment				$ 1,900	$ 1,300
2017 Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)				362,500				362,500
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)			$ 0.01	$ 0.01	$ 6.75			$ 0.01	$ 6.75
Class of Warrant or Right, Exercised During Period (in shares)			362,500
Stock Issued During Period, Shares, Exercise of Warrants (in shares)			362,500
Senior Secured Debt [Member]
Long-term Debt, Total						$ 83,100
Debt Instrument, Extension Option Fee Percentage		1.00%
Debt Instrument, Face Amount										$ 60,000
Senior Secured Debt [Member] \| Subsequent Event [Member]
Repayments of Long-term Debt, Total	$ 77,500
New Loan [Member] \| Subsequent Event [Member]
Debt Instrument, Face Amount	$ 50,000