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Note 8 - Related Party Transactions (Details Textual) - USD ($) |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 28, 2022 | Mar. 31, 2023 | Mar. 31, 2022 | Jan. 27, 2022 | Dec. 31, 2021
Change in Amount, Change Due to Non-cash Majority Stockholders Control Agreement, Expense |  | $ 0 | $ (420,000) |  |
NMS [Member] | Minimum [Member] |  |  |  |  |
Percent of Reimbursement |  | 4.00% |  |  |
NMS [Member] | Maximum [Member] |  |  |  |  |
Percent of Reimbursement |  | 10.00% |  |  |
NMS [Member] |  |  |  |  |
Subsidiary, Ownership Percentage, Noncontrolling Owner |  | 49.00% |  |  |
NSRS [Member] |  |  |  |  |
Subsidiary, Ownership Percentage, Noncontrolling Owner |  | 100.00% |  |  |
Resource Plus, Inc [Member] |  |  |  |  |
Subsidiary, Ownership Percentage, Noncontrolling Owner |  | 49.00% |  |  |
RJ Holdings [Member] |  |  |  |  |
Subsidiary, Ownership Percentage, Noncontrolling Owner |  | 50.00% |  |  |
Meridian [Member] |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  | 51.00% |  |  |
Sparfacts [Member] |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent |  | 51.00% |  |  |
CIC Agreement [Member] |  |  |  |  |
Change in Amount, Change Due to Non-cash Majority Stockholders Control Agreement, Expense |  | $ 4,477,585 |  |  |
Preferred Stock, Shares Issued (in shares) |  | 2,000,000 |  |  | 3,000,000
Preferred Stock, Shares Issuable (in shares) |  | 3,000,000 |  |  |
Preferred Stock, Value, Issued, Ending Balance | $ 3,690,000 |  |  |  |
Share Price (in dollars per share) |  |  |  |  | $ 1.23
CIC Agreement [Member] | James R. Brown [Member] |  |  |  |  |
Cash Payment | 250,000 |  |  |  |
Related Party Transactions, Maximum Amount of Reimbursement for Legal Fees | 35,000 |  |  |  |
CIC Agreement [Member] | SAS [Member] |  |  |  |  |
Related Party Transactions, Settlement of Obligations and Related Claim | $ 502,585 |  |  |  |
Thenablers, Ltd. [Member] | Lazaretos Consulting Agreement [Member] |  |  |  |  |
Related Party Transaction, Amounts of Transaction, Rate Per Month |  |  |  | $ 10,000 |
NMS [Member] |  |  |  |  |
Majority Interest Ownership Percentage By Parent |  | 51.00% |  |  |
NSRS [Member] |  |  |  |  |
Related Party Transaction, Amounts of Transaction |  | $ 1,200,000 | 2,100,000 |  |
Resource Plus, Inc [Member] |  |  |  |  |
Majority Interest Ownership Percentage By Parent |  | 51.00% |  |  |
Related Party Transaction, Amounts of Transaction |  | $ 100,000 | $ 200,000 |  |
SAS [Member] | Premium Adjustments [Member] |  |  |  |  |
Related Party Transaction, Amounts of Transaction |  | 200,000 |  |  |
SAS [Member] | Remaining Premium Adjustments [Member] |  |  |  |  |
Related Party Transaction, Amounts of Transaction |  | 1,100,000 |  |  |
William Bartels [Member] |  |  |  |  |
Liability, Pension and Other Postretirement and Postemployment Benefits, Current |  | $ 300,000 |  |  |

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