Quarterly report pursuant to Section 13 or 15(d)

Note F - Debt (Details Textual)

Note F - Debt (Details Textual)							1 Months Ended				3 Months Ended
Note F - Debt (Details Textual)	Oct. 06, 2023 USD ($)	Jun. 02, 2022	Aug. 28, 2020	Apr. 27, 2020	Nov. 19, 2019 USD ($)	Oct. 08, 2018 USD ($)	Dec. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	May 31, 2022 USD ($)	Dec. 31, 2020 USD ($)	Dec. 30, 2023 USD ($)	Dec. 31, 2022 USD ($)	Feb. 16, 2024 USD ($)	Feb. 15, 2024 USD ($)	Jan. 18, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 05, 2023 USD ($)	Dec. 04, 2023 USD ($)	Sep. 30, 2023 USD ($)	Jun. 04, 2023 USD ($)	Apr. 01, 2023 USD ($)	Feb. 03, 2023 USD ($)	Jan. 03, 2023
Repayments of Long-term Debt, Total											$ 104,252,000	$ 121,431,000
Long-Term Debt							$ 7,260,000				7,260,000								$ 126,465,000
Term Loan Established December 2020 [Member]
Long-Term Debt																$ 4,058,000
Term Loan Established September 2022 [Member]
Long-Term Debt																2,379,000
Banco Ficohsa [Member] \| Term Loan Established December 2020 [Member]
Debt Instrument, Term (Year)									5 years	5 years
Repayments of Long-term Debt, Total										$ 1,100,000
Debt Instrument, Face Amount									$ 3,700,000
Short-Term Debt							6,100,000				6,100,000
Long-Term Debt							7,300,000				7,300,000
Banco Ficohsa [Member] \| Term Loan Established September 2022 [Member]
Debt Instrument, Term (Year)								5 years
Debt Instrument, Face Amount								$ 3,000,000
Revolving Credit Facility [Member] \| Banco Ficohsa [Member] \| Line of Credit [Member]
Repayments of Long-term Debt, Total										$ 9,500,000
Long-Term Debt																$ 3,978,000
Amended Credit Agreement [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 25,000,000				$ 170,000,000	$ 145,000,000	150,000,000				150,000,000
Debt Instrument, Increase (Decrease) in FILO Borrowing Component					(0.25%)
Debt Instrument, Increase (Decrease) in Fair Market of Eligible Intellectual Property					25.00%
Debt Instrument, Fixed Coverage Charge Ratio, Exclusion of Capital Expenditures					$ 10,000,000
Debt Covenant Fixed Charge Coverage Ratio Term (Month)		12 months
SOFR Floor Rate		0.00%
Debt Instrument, Term (Year)		5 years
Increased Reporting Event, Includes of Lesser of Borrowing Base and Maximum Revolver Amount, Percentage																							12.50%
Increased Reporting Event, Includes Line Cap, Percentage																							12.50%
Line of Credit Facility, Minimum Available Threshold One																						$ 7,500,000
Line of Credit Facility, Minimum Available Threshold Two																						9,000,000
Line of Credit Facility, Minimum Available Threshold Three																						10,000,000
Line of Credit Facility, Minimum Available Threshold Four																						$ 0
Line of Credit Facility, Increase in Applicable Margin																						0.50%
Line of Credit Facility, Cash Dominion Trigger Event																						$ 2,000,000
Debt Instrument, Covenant, Percentage of Borrowing Rate or Commitment, Availability for Stock Repurchase or Dividends	17.50%
Line Of Credit Facility Maximum Capacity For Capital Leases							25,000,000				25,000,000
Line of Credit Facility Including Additional Borrowing Capacity Maximum							200,000,000				200,000,000
Long-Term Line of Credit							$ 110,900,000				110,900,000
Line of Credit Facility, Interest Rate During Period							8.70%
Line of Credit Facility, Remaining Borrowing Capacity							$ 7,400,000				7,400,000
Amended Credit Agreement [Member] \| Revolving Credit Facility [Member] \| One Month SOFR [Member]
Debt Instrument, Basis Spread on Variable Rate		0.10%
Amended Credit Agreement [Member] \| Revolving Credit Facility [Member] \| Three Month SOFR [Member]
Debt Instrument, Basis Spread on Variable Rate		0.15%
Amended Credit Agreement [Member] \| Letter of Credit [Member]
Debt Covenant Fixed Charge Coverage Ratio Term (Month)				12 months
Fixed Charge Coverage Ratio				1.1
Debt Instrument, Covenant, Additional Aged Receivable Period (Day)			30 days
Debt Instrument, Covenant, Advance Rate of Real Estate Assets			70.00%
Debt Instrument, Covenant, Additional Applicable Margin			0.50%
Debt Instrument, Covenant, Percentage of Borrowing Rate or Commitment, Availability for Stock Repurchase or Dividends						15.00%
Debt Instrument, Covenant, Number of Preceding Days for Average Availability of Percentage for Stock Repurchases and Dividends						30
Debt Instrument, Covenant, Maximum Amount Plus 50% of Cumulative Net Income For Dividends and Stock Repurchases						$ 10,000,000
Retained Earnings Amount Available For Dividends And Stock Repurchases							$ 7,900,000				$ 7,900,000								$ 8,300,000
Amended Credit Agreement [Member] \| Letter of Credit [Member] \| Minimum [Member]
LIBOR Floor Rate				1.00%
Eleventh Amendment Credit Agreement [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 25,000,000
Fixed Charge Coverage Ratio	1
Debt Instrument, Covenant, Percentage of Borrowing Rate or Commitment, Availability for Stock Repurchase or Dividends	17.50%
Twelfth Amendment Credit Agreement [Member] \| Revolving Credit Facility [Member]
Line of Credit Facility, Maximum Borrowing Capacity																	$ 150,000,000
Fixed Charge Coverage Ratio																	1
Line of Credit Facility, Current Borrowing Capacity																	$ 17,500,000
Thirteenth Amendment Credit Agreement [Member] \| Revolving Credit Facility [Member]
Fixed Charge Coverage Ratio							1				1
Line of Credit Facility, Minimum Available Threshold One																					$ 7,500,000
Line of Credit Facility, Minimum Available Threshold Two																				$ 9,000,000
Line of Credit Facility, Minimum Available Threshold Three																		$ 10,000,000
Line of Credit Facility, Minimum Available Threshold Four															$ 7,000,000
Line of Credit Facility, Minimum Available Threshold Five														$ 8,500,000
Line of Credit Facility, Minimum Available Threshold All Times Thereafter													$ 10,000,000
Debt Instrument, Covenant, Availability Requirement							$ 17,500,000				$ 17,500,000