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Note 15 - Subsequent Events (Details Textual) R$ in Millions | Jun. 30, 2024 USD ($) | Jun. 30, 2024 ZAR (R) | Jun. 30, 2024 BRL (R$) | Mar. 26, 2024 | Feb. 23, 2024 | Feb. 07, 2024
--- | --- | --- | --- | --- | --- | ---
Forecast [Member] | SGRP Meridian [Member] |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration | $ 9,900,000 | R 180,700,000 |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration Percentage Receiving on Closing | 80.00% | 80.00% | 80.00% |  |  |
Forecast [Member] | SPAR Marketing Force [Member] |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration | $ 200,000 |  |  |  |  |
Forecast [Member] | Brazil Joint Venture [Member] |  |  |  |  |  |
Disposal Group, Including Discontinued Operation, Consideration | $ 11,800,000 |  | R$ 58.9 |  |  |
Subsequent Event [Member] | SGRP Meridian [Member] |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  |  |  |  |  | 51.00%
Subsequent Event [Member] | SPAR Marketing Force [Member] |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  |  |  | 51.00% | 51.00% |

X
- Definition Percentage of consideration received on closing for disposal group. + References No definition available. + Details
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Namespace Prefix: | sgrp_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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X
- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
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X
- Details
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Namespace Prefix: |
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X
- Details
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- Details
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- Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

X
- Details
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Balance Type: |
Period Type: |

X
- Details
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