Weighted average discount rate for finance lease calculated at point in time.

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of operating lease income from lease payments paid and payable to lessor. Excludes variable lease payments not included in measurement of lease receivable.

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Note 16 - Leases (Details) - USD ($)	12 Months Ended
Note 16 - Leases (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jan. 30, 2020
Finance Lease, Weighted Average Discount Rate, Percent	0.00%	395.00%
Related Party \| Building Leases \| Quingdao
Lessee, Operating Lease, Term of Contract	5 years
Related Party \| Building Leases \| Shenzen
Lessee, Operating Lease, Term of Contract	7 years
Nonrelated Party \| Building Leases \| Shenzen
Lessee, Operating Lease, Term of Contract	50 years				50 years
Qingdao \| Related Party
Lessor, Operating Lease, Term of Contract				10 years
Operating Lease, Lease Income, Lease Payments	$ 154,125	$ 135,604	$ 138,727