Note 10 - Retirement Plans - Changes in Fair Value of Plan Assets (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2025
USD ($)
| |
| Fair value of plan assets, beginning of period | $ 1,785,911 |
| Expected return on plan assets | 63,242 |
| Fair value of plan assets, end of period | 2,611,692 |
| Pension Plan [Member] | |
| Fair value of plan assets, beginning of period | 1,785,911 |
| Expected return on plan assets | 66,644 |
| Gain / (losses) on plan assets | 82,991 |
| Employer contributions | 228,853 |
| Plan participant contributions | 153,407 |
| Benefits paid through plan assets | 33,951 |
| Foreign currency exchange rate changes | 259,935 |
| Fair value of plan assets, end of period | $ 2,611,692 |
| X | ||||||||||
- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of contribution received by defined benefit plan from employer which increases plan assets. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of payment to participant under defined benefit plan which decreases plan assets. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of contributions received by defined benefit plan from participant which increases plan assets. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of foreign currency translation gain (loss) which increases (decreases) plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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