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Note 6 - Commitments and Contingencies (Details Textual) |  |  |  |  |  |  |  | 1 Months Ended | 2 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 17, 2020 USD ($) | Mar. 17, 2020 USD ($) | Mar. 06, 2020 USD ($) | Oct. 08, 2019 USD ($) | Mar. 18, 2019 USD ($) | Sep. 19, 2018 USD ($) | Sep. 18, 2018 USD ($) | May 03, 2018 | Jun. 30, 2020 USD ($) | Mar. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Mr. Brown [Member] | SPAR BSMT [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Ownership Percentage |  |  |  |  |  |  |  | 10.00% |  |  |  |  |  |
SBS Bankruptcy and Settlement [Member] | Subsequent Event [Member] | Robert G. Brown [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value | $ 1,300,000 | $ 3,000,000 | $ 1,707,374 |  |  |  |  |  |  |  |  |  |  |
SBS Bankruptcy, Settlement and March 2020 Claim [Member] | Subsequent Event [Member] | Robert G. Brown [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Yearly Damages Sought, Value |  | $ 500,000 |  |  |  |  |  |  |  |  |  |  |  |
Alleged Lost Tax Benefits and Other Expenses [Member] | SPAR InfoTech, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value |  |  |  |  |  | $ 190,000 | $ 190,000 |  |  |  |  |  |  |
Related-party Expenses Allowed by the Audit Committee |  |  |  |  |  | 50,000 |  |  |  |  |  |  |  |
Related-party Expenses Disallowed By the Audit Committee |  |  |  |  |  | 150,000 |  |  |  |  |  |  |  |
Allegedly Owed Programming Services [Member] | SPAR InfoTech, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value |  |  |  |  |  | $ 900,000 | $ 900,000 |  |  |  |  |  |  |
Alleged Lost Tax Benefits and Allegedly Owed Programming Services [Member] | SPAR InfoTech, Inc. [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Management Offer |  |  |  | $ 225,000 |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Amount Awarded to Other Party |  |  |  | 275,000 |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Amount Awarded to Other Party, Paid Upon Court Approval |  |  |  | 75,000 |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Amount Awarded to Other Party, Paid Within 30 Days |  |  |  | 75,000 |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Amount Awarded to Other Party, Paid Within 60 Days |  |  |  | 75,000 |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Amount Awarded to Other Party, Paid Within 90 Days |  |  |  | $ 50,000 |  |  |  |  |  |  |  |  |  |
Reimbursement for SMF's funding of the Affinity Security Deposits [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value |  |  |  |  | $ 378,838 |  |  |  |  |  |  |  |  |
Reimbursement for SMF's Funding of the Field Payment Checks [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value |  |  |  |  | 12,963 |  |  |  |  |  |  |  |  |
SBS Clothier Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Sought, Value |  |  |  |  | $ 1,839,459 |  |  |  |  |  |  |  |  |
Litigation Settlement, Amount Awarded to Other Party |  |  |  |  |  |  |  |  |  |  |  | $ 250,000 | $ 1,300,000 |
Settlement and Other Charges |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,300,000
Loss Contingency, Damages Number of Equal Annual Installments |  |  |  |  |  |  |  |  |  |  |  |  | 4 |
Loss Contingency, Damages Paid, Value |  |  |  |  |  |  |  |  |  |  | $ 325,000 |  |  |
Loss Contingency Accrual, Ending Balance |  |  |  |  |  |  |  |  |  |  | 975,000 | 975,000 | $ 975,000 |
SBS and SGRP Hogan Litigation [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Paid, Value |  |  |  |  |  |  |  |  |  |  | 150,000 |  |  |
Loss Contingency Accrual, Ending Balance |  |  |  |  |  |  |  |  |  |  | $ 100,000 | $ 100,000 | $ 100,000 |
Loss Contingency, Damages Number of Installments |  |  |  |  |  |  |  |  |  |  |  | 3 |  |
SBS and SGRP Hogan Litigation [Member] | Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Paid, Value |  |  |  |  |  |  |  |  | $ 50,000 |  |  |  |  |
SBS and SGRP Hogan Litigation [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingency, Damages Paid, Value |  |  |  |  |  |  |  |  |  | $ 50,000 |  |  |  |

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