The value of additional amount of LOC loan.

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Represents the percentage daily floating rate.

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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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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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Percentage of operating loss decreased.

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The amount of working capital.

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The amount of Working Capital Excluding Bank Financing.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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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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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Increase for accrued, but unpaid interest on the credit facility for the period.

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The effective interest rate during the reporting period.

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Maximum amount borrowed under the credit facility at any time during the period.

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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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The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Period between issuance and maturity of long-term debt, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Long-Term Debt - Additional Information (Details) - USD ($)			12 Months Ended
	Jun. 29, 2023	Mar. 30, 2023	Dec. 31, 2022	Aug. 01, 2023	Jan. 11, 2022	Dec. 31, 2021	Jul. 09, 2021	Dec. 31, 2020	Jun. 28, 2018
Debt Instrument
Long-term debt			$ 501,000			$ 5,026,000
Cumulative effect			$ 23,741,000			25,858,000
Operating loss decreased			53.00%
Total shareholders' equity			$ 35,112,000			35,366,000		$ 33,737,000
Principal maturities of long-term debt for 2023			501,000
Cash			4,004,000			9,546,000
Revolving credit facility
Debt Instrument
Maximum availablity under LOC			5,000,000
Total shareholders' equity			35,112,000
Revolving credit facility \| Subsequent Event
Debt Instrument
Maximum availablity under LOC		$ 6,400,000
Reduced borrowing capacity	$ 3,900,000			$ 1,000,000
Line of credit (LOC)
Debt Instrument
Maximum borrowing capacity			$ 6,000,000
Spread on variable rate			1.65%
Commitment fee on unused portion of line of credit			0.25%
Long-term debt						4,250,000
Line of credit			$ 501,000
Line of credit advance loan deposit			500,000
Working capital			23,041,000
Excluding bank financing			$ 501,000
Cash					$ 9,000,000
Line of credit (LOC) \| Subsequent Event
Debt Instrument
Additional Amount of LOC Loan	$ 300,000
Line of credit (LOC) \| Index Floor
Debt Instrument
Debt Instrument, Index Floor Rate			0.50%
Line of credit (LOC) \| Maximum [Member]
Debt Instrument
Line of credit interest rate		8.88%
Line of credit (LOC) \| Minimum [Member]
Debt Instrument
Line of credit interest rate		4.00%
Equipment note obligations; Interest rate fixed for term of each funding based upon the Lender's lease pricing at time of funding. (Interest rate/factor 1.79553% - 1.835015% as of December 31, 2022) (B)
Debt Instrument
Long-term debt			$ 491,000			712,000
Loan line of credit							$ 1,000,000
Loan term for equipment covered by loan			60 months
Equipment financing lease obligations; Interest rate fixed for term of each funding based upon the Lender's lease pricing at time of funding. (Interest rate/factor 1.822758% - 1.869304% at time of funding) (C)
Debt Instrument
Long-term debt			$ 10,000			$ 64,000
Lease line of credit									$ 1,000,000
Lease term for equipment covered by lease line of credit			60 months