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Note 8 - Loans Payable - Outstanding Debt (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Total debt, gross	$ 20,641,000	$ 7,185,000
Warrants (in shares)	1,731,499	196,079
Debt discount	$ (3,069,000)	$ (144,000)
Total debt, net	17,572,000	6,875,000
Less current maturities	(4,499,000)	0
Long term debt	$ 13,073,000	$ 6,875
Warrants (in shares)	1,731,499	196,079
Fair value		$ (166,000)
Total debt, gross		$ 7,019,000
Secured Convertible Special Loan Promissory Note [Member]
Issuance Date		Aug. 17, 2016
Total debt, gross		$ 4,767,000
Maturity Date		Feb. 17, 2025
Warrants (in shares)		196,079
Maturity Date		Feb. 17, 2025
Issuance Date		Aug. 17, 2016
Warrants (in shares)		196,079
Paycheck Protection Program Loan from Small Business Administration [MEmber]
Issuance Date		Dec. 30, 2019
Total debt, gross		$ 2,418
Maturity Date		Feb. 17, 2025
Warrants (in shares)		0
Maturity Date		Feb. 17, 2025
Issuance Date		Dec. 30, 2019
Warrants (in shares)		0
Acquisition Term Loan [Member]
Issuance Date	Jan. 17, 2022
Total debt, gross	$ 10,000,000
Maturity Date	Feb. 15, 2025
Warrants (in shares)	833,334
Maturity Date	Feb. 15, 2025
Issuance Date	Jan. 17, 2022
Warrants (in shares)	833,334
Seller Note [Member]
Issuance Date	Jan. 17, 2022
Total debt, gross	$ 1,456,000
Maturity Date	Feb. 17, 2024
Warrants (in shares)	0
Maturity Date	Feb. 17, 2024
Issuance Date	Jan. 17, 2022
Warrants (in shares)	0
Consolidation Term Loan [Member]
Issuance Date	Jan. 17, 2022
Total debt, gross	$ 7,185,000
Maturity Date	Feb. 15, 2025
Warrants (in shares)	898,165
Interest Rate		10.00%
Maturity Date	Feb. 15, 2025
Interest Rate		10.00%
Issuance Date	Jan. 17, 2022
Warrants (in shares)	898,165
Term Loan with Related Party [Member]
Issuance Date	Oct. 31, 2022
Total debt, gross	$ 2,000,000
Maturity Date	Sep. 01, 2023
Warrants (in shares)	0
Maturity Date	Sep. 01, 2023
Issuance Date	Oct. 31, 2022
Warrants (in shares)	0

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Amount, after fair value, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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