Fixed charge coverage ratio.

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Loan Agreement Amount.

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The description of requirements under an agreement to be eligible to enter into certain transactions.

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Minimum excess borrowing availability as percentage of maximum revolver commitments.

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No definition available.

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Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

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

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Description of the frequency of periodic payments (monthly, quarterly, annual).

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

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No definition available.

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Start date of debt instrument redemption period, in YYYY-MM-DD format.

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Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of increase (decrease) of the credit facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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Long-Term Debt - Working Capital Revolver Loan and Senior Secured Notes - Additional Information (Detail) - USD ($)		3 Months Ended			9 Months Ended
	Sep. 29, 2021	Sep. 30, 2021	Jun. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Feb. 28, 2019
Debt Instrument [Line Items]
Dividends on convertible preferred stocks		$ 75,000		$ 75,000	$ 225,000	$ 225,000
Redemption date					Sep. 29, 2021
Debt instrument, frequency of interest payment					Interest payable semi-annually in arrears on May 15 and October 15 of each year, beginning on May 15, 2022, to the holders of record on the immediately preceding May 1 and October 1
Gain on Extinguishment of Debt			$ 10,000,000		$ 10,000,000
Maximum [Member] \| Series B and Series D Preferred Stock [Member]
Debt Instrument [Line Items]
Dividends on convertible preferred stocks					2,000,000
Working Capital Revolver Loan [Member]
Debt Instrument [Line Items]
Maximum amount of revolving credit facility							$ 65,000,000
Revolving credit facility, increase (decrease), net					10,000,000
Amount available for borrowing		$ 48,200,000			$ 48,200,000
Maturity date					Feb. 26, 2024
Springing Financials Covenant [Member] \| Working Capital Revolver Loan [Member]
Debt Instrument [Line Items]
Working capital revolver loan requirements					borrowers must maintain a minimum fixed charge coverage ratio of not less than 1.00 to 1.00.
Maximum revolver commitment available, percentage					10.00%
Loan requirements description					less than 10.0% of the total revolver commitments
Fixed charge coverage ratio		100.00%			100.00%
9.625% Senior Secured Notes Due 2023 [Member]
Debt Instrument [Line Items]
Maturity date					May 01, 2023
Redemption date	Oct. 29, 2021
8.32% Secured Financing Due 2023 [Member] \| El Dorado Chemical Company [Member]
Debt Instrument [Line Items]
Maturity date					Jun. 30, 2023
Debt instrument, frequency of interest payment					Principal and interest are payable in 48 equal monthly installments with a final balloon payment of approximately $3 million due in June 2023
Final balloon payment		$ 3,000,000			$ 3,000,000
Secured Loan Agreement [Member] \| El Dorado Chemical Company [Member]
Debt Instrument [Line Items]
Debt instrument, frequency of interest payment					Principal and interest are payable in 60 equal monthly installments through March 2025.
8.75% Secured Financing Due 2025 [Member] \| El Dorado Ammonia L.L.C. [Member]
Debt Instrument [Line Items]
Maturity date					Aug. 31, 2025
Debt instrument, frequency of interest payment					principal and interest are payable in 60 equal monthly installments with a final balloon payment of approximately $5 million due in August 2025
Final balloon payment		5,000,000			$ 5,000,000
Debt issued - principal amount		30,000,000			30,000,000
Paycheck Protection Program [Member]
Debt Instrument [Line Items]
Federally guaranteed loan agreement ("PPP loan")		$ 10,000,000			$ 10,000,000
Letter of Credit [Member] \| Working Capital Revolver Loan [Member]
Debt Instrument [Line Items]
Maximum amount of revolving credit facility							$ 10,000,000