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v3.24.1

Note 4 - Debt (Details Textual) ¥ in Millions, R in Millions, $ in Millions |  |  |  |  | 5 Months Ended |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 10, 2023 USD ($) | Feb. 01, 2023 USD ($) | Jul. 01, 2022 USD ($) | Mar. 22, 2021 USD ($) | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2023 ZAR (R) | Nov. 30, 2023 CNY (¥) | Feb. 01, 2023 CAD ($) | Dec. 31, 2022 USD ($) | Jul. 01, 2022 CAD ($) | Dec. 31, 2021 CNY (¥) | Jan. 09, 2018 USD ($)
Long-Term Debt, Current Maturities |  |  |  |  |  | $ 17,530,000 |  |  |  | $ 17,980,000 |  |  |
Resource Plus Acquisition Note [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  | 1.85% | 1.85% |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,700,000
Long-Term Debt, Current Maturities |  |  |  |  |  | $ 1,100,000 |  |  |  |  |  |  |
Industrial Bank and Commercial Bank of China [Member] | SPAR China [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount | ¥ |  |  |  |  |  |  |  | ¥ 2 |  |  |  | ¥ 2 |
Investec Bank Ltd. [Member] | SGRP Meridian [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  | 11.75% | 11.75% |  |  |  |  |  |
Debt Instrument, Face Amount | R |  |  |  |  |  |  | R 105 |  |  |  |  |  |
Revolving Credit Facility [Member] | North Mill, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Related Commitment Fees and Debt Issuance Costs |  | $ 28,000 |  |  |  |  |  |  |  |  |  |  |
Loans Payable, Current |  |  |  |  |  | $ 11,900,000 |  |  |  |  |  |  |
Revolving Credit Facility [Member] | North Mill, LLC [Member] | CANADA |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Related Commitment Fees and Debt Issuance Costs |  |  |  |  | $ 3,000 |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | North Mill, LLC [Member] | SPAR Marketing Force [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | 28,000,000 | $ 17,500,000 |  |  |  |  |  | $ 2.0 |  |  |  |
Borrowing Base Availability for Billed Receivables, Percentage |  |  | 90.00% | 85.00% |  |  |  |  |  |  |  |  |
Borrowing Base Availability for Unbilled Receivables, Percentage |  |  | 80.00% | 70.00% |  |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Unbilled Cap |  | $ 7,000,000 | $ 6,500,000 | $ 5,500,000 |  |  |  |  |  |  |  |  |
Revolving Credit Facility [Member] | North Mill, LLC [Member] | SPAR Canada Company [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  |  |  |  | $ 1.5 |  |
NM Note [Member] | North Mill, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  |  |  |  | 10.40% | 10.40% |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  | $ 12,500,000 |  |  |  |  |  |  |
NM Note [Member] | North Mill, LLC [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 6.75% |  |  |  |  |  |  |  |  |  |  |
NM Note [Member] | North Mill, LLC [Member] | Prime Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.90% |  |  |  |  |  |  |  |  |  |  |
NM Note [Member] | North Mill, LLC [Member] | SPAR Canada Company [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Long-Term Debt |  |  |  |  |  | $ 600,000 |  |  |  |  |  |  |
NM Notes Commencing on 10 October 2022 [Member] | North Mill, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Fee Amount | $ 200,000 | $ 100,000 |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Facility Fee for Any Advances Other Than Under Revolving Credit Faculty, Percentage | 0.80% | 0.80% |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Fee for Each Incremental 1 Million Increase in Loan Balance in Excess of $21 Million | $ 15,000 | $ 15,000 |  |  |  |  |  |  |  |  |  |  |

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