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Note 14 - Loans Payable (Details Textual)					1 Months Ended				3 Months Ended			9 Months Ended
	Dec. 31, 2025	Feb. 18, 2025 USD ($) $ / 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 ($)	Mar. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)	Mar. 31, 2025 USD ($)	Mar. 31, 2026 USD ($)	Mar. 31, 2025 USD ($)	May 31, 2023 EUR (€)	Sep. 30, 2021 EUR (€)	Dec. 31, 2020 EUR (€)
Gain (Loss) on Extinguishment of Debt									$ 0		$ (418,502)	$ (506,280)	$ (418,502)
Acquisition Notes [Member]
Debt Instrument, Interest Rate, Stated Percentage									12.00%			12.00%
Debt Instrument, Redemption Price, Percentage	102.00%
Gain (Loss) on Extinguishment of Debt										$ (500,000)
Debt Instrument, Covenant, Minimum EBITDA		$ 4,900,000
Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ / shares		$ 1,000
Debt Instrument, Face Amount			$ 5,200,000
Proceeds from Issuance of Debt			$ 32,200,000
Debt Instrument, Maturity Date		Feb. 18, 2025
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%
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
2020 Equipment Loan [Member]
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%				4.94%			4.94%		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

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Period between issuance and maturity of debt instrument, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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