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Amount, 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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Note 14 - Loans Payable (Details Textual)					1 Months Ended				3 Months Ended	12 Months Ended
Note 14 - Loans Payable (Details Textual)	Dec. 31, 2025	Feb. 18, 2025 USD ($) $ / shares shares	Feb. 13, 2025 USD ($)	Aug. 06, 2024 USD ($)	May 31, 2023 USD ($)	May 31, 2023 EUR (€)	Sep. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($) $ / shares	Dec. 18, 2025	May 31, 2023 EUR (€)	Sep. 30, 2021 EUR (€)	Dec. 31, 2020 EUR (€)
Gain (Loss) on Extinguishment of Debt										$ (506,280)	$ (418,502)
Conversion of Bridge Note into Class A Common Stock [Member]
Debt Conversion, Original Debt, Amount		$ 1,500,000
Debt Conversion, Converted Instrument, Shares Issued (in shares) \| shares		687,750
Shares Issued, Price Per Share (in dollars per share) \| $ / shares		$ 2.15
Conversion of Bridge Note into Series G Convertible Preferred Stock [Member]
Debt Conversion, Converted Instrument, Shares Issued (in shares) \| shares		1,957
Conversion of Bridge Note into Class A Warrants [Member]
Debt Conversion, Converted Instrument, Warrants or Options Issued (in shares) \| shares		512,091
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) \| $ / shares		$ 2.58
Acquisition Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage										12.00%
Debt Instrument, Interest Rate at Default		15.00%
Long-Term Debt, Gross											4,600,000
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net											$ 600,000
Debt Instrument, Interest Rate, Effective Percentage											5.70%
Debt Instrument, Maturity Date		Feb. 18, 2027
Debt Instrument, Redemption Price, Percentage	102.00%
Gain (Loss) on Extinguishment of Debt									$ (500,000)
Debt Instrument, Covenant, Minimum EBITDA		$ 4,900,000									$ 4,900,000
Debt Instrument, Convertible, Conversion Price (in dollars per share) \| $ / shares		$ 1,000									$ 1,000
Debt Instrument, Covenant, Total Leverage Ratio												4
Debt Instrument, Covenant, Fixed Charge Covered Ratio												1.2
Debt Instrument, Face Amount		$ 1,200,000	$ 5,200,000
Proceeds from Issuance of Debt			$ 32,200,000
Acquisition Notes [Member] \| Minimum [Member]
Debt Instrument, Interest Rate, Stated Percentage		10.00%
Acquisition Notes [Member] \| Maximum [Member]
Debt Instrument, Interest Rate, Stated Percentage		12.00%
Bridge Promissory Note [Member]
Debt Instrument, Interest Rate, Stated Percentage				12.50%
Gain (Loss) on Extinguishment of Debt		$ (400,000)
Debt Instrument, Face Amount				$ 3,000,000
Debt Instrument, Original Issue Discount, Percent				7.00%
Proceeds from Issuance of Debt				$ 2,700,000
Debt Instrument, Term (Year)				1 year
Bridge Promissory Note [Member] \| Class A Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares		170,697
Bridge Promissory Note [Member] \| Series G Purchasers Warrants [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) \| shares		341,394
2020 Equipment Loan [Member]
Debt Instrument, Interest Rate, Stated Percentage								3.30%							3.30%
Debt Instrument, Face Amount							$ 300,000	$ 300,000						€ 225,000	€ 225,000
Debt Instrument, Term (Year)							52 months	60 months
2023 Equipment Loan [Member]
Debt Instrument, Interest Rate, Stated Percentage					2.84%					5.20%			2.84%
Debt Instrument, Face Amount					$ 300,000								€ 260,258
Debt Instrument, Term (Year)					48 months	48 months
Repayments of Debt					$ 100,000	€ 132,674