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Note 10 - Related Party Transactions (Details Textual) - USD ($)				1 Months Ended	12 Months Ended
	Dec. 22, 2023	Jan. 28, 2022	Jan. 25, 2022	Jan. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jan. 27, 2022	Dec. 31, 2021
Gain (Loss) on Disposition of Business					$ (408,000)	$ (0)
Other Liabilities, Current					$ 15,274,000	20,261,000
Phantom Share Units (PSUs) [Member]
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)					111,111
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)					3 years
Other Liabilities, Current					$ 555,000	0
Sparfacts [Member]
Noncontrolling Interest, Ownership Percentage by Parent	51.00%				51.00%
NMS LLC [Member]
Disposal Group, Including Discontinued Operation, Consideration	$ 1,441,004
Financing Receivable, before Allowance for Credit Loss					$ 523,000
Escrow Receivable					700,000
Gain (Loss) on Disposition of Business					(427,000)
NMS LLC [Member] \| Forecast [Member]
Proceeds from Divestiture of Businesses				$ 700,000
Financing Receivable, before Allowance for Credit Loss				523,000
Contingent Receivable				$ 209,004
Sparfacts [Member]
Gain (Loss) on Disposition of Business					$ 19,000
Disposal Group, Including Discontinued Operation, Consideration Usage of Brand Name	$ 75,000
Sale Agreement, Brand Usage Duration (Month)	6 months
NMS [Member] \| Minimum [Member]
Percent of Reimbursement					4.00%
NMS [Member] \| Maximum [Member]
Percent of Reimbursement					10.00%
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
James R. Brown [Member] \| Brown Advisor Agreement [Member]
Related Party Transaction, Amounts of Transaction			$ 55,000
Thenablers, Ltd. [Member] \| Lazaretos Consulting Agreement [Member]
Related Party Transaction, Amounts of Transaction, Rate Per Month							$ 10,000
WB Marketing, Inc [Member] \| Service Fees [Member]
Related Party Transaction, Amounts of Transaction					$ 103,000	$ 189,000
Resource Plus, Inc [Member]
Majority Interest Ownership Percentage By Parent					51.00%
SAS [Member] \| Remaining Premium Adjustments [Member]
Related Party Transaction, Amounts of Transaction					$ 220,558
SAS [Member] \| Premium Adjustments [Member]
Related Party Transaction, Amounts of Transaction					1,102,790
William Bartels [Member]
Liability, Pension and Other Postretirement and Postemployment Benefits, Current					200,923
William Bartels [Member] \| SPAR Group [Member]
Pension and Other Postretirement Benefits Cost (Reversal of Cost)					$ 700,000