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Debt - Narrative (Details) - USD ($)				12 Months Ended
	Oct. 19, 2023	May 31, 2022	Dec. 30, 2021	Dec. 31, 2023	Dec. 31, 2022	Oct. 31, 2023
Debt
Unamortized deferred finance costs				$ 800,000
Repayment of principal					$ 29,000,000
Prepayment fee		$ 1,400,000
Interest and related expenses		300,000
Loss on early extinguishment of debt					2,324,000
Prepayment premium				1,400,000
Other costs				100,000
Unamortized deferred finance costs related to term loan debt				279,000
Term loan debt				5,000,000		$ 5,000,000
Swap contract with IDB
Debt
Derivative, fixed interest rate	9.46%
IM Intellectual Property
Debt
Cash proceeds from sale		30,100,000
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Swap contract with IDB | IDB
Debt
Derivative, basis spread on variable rate	4.25%
New Loan Agreement
Debt
Face amount of term loan			$ 29,000,000.0
Percentage of closing fee			1.75%
Legal and other fees			$ 500,000
Deferred issuance cost			970,000
Quarterly installment payment			625,000
Final payment amount			$ 20,875,000
Repayment of principal		$ 28,400,000
Quarterly installment amount	$ 250,000
Unamortized deferred finance costs related to term loan debt	300,000
Term loan debt	$ 5,000,000.0			5,000,000
New Loan Agreement | LIBOR
Debt
Stated interest rate (as percentage)			7.50%
New Loan Agreement | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt
Stated interest rate (as percentage)	4.25%
Xcel Term Loan
Debt
Floor rate of LIBOR (as percentage)			1.00%
Interest Expense				$ 400,000	$ 1,200,000
Effective interest rate (as percentage)				11.60%	9.80%

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Floor rate of LIBOR under the debt instrument covenant.

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Percentage of closing fee paid under the debt instrument.

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The amount of prepayment fee in a debt instrument.

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- Definition

Long Term Debt Maturities, Final Repayment Of Principal

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Long-Term Debt, Maturities, Repayments Of Principal, Quarterly Installments

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- Definition

The amount other expense incurred on debt.

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