v3.26.1
Note 8 - Other Investments (Details Textual)
Jun. 30, 2026
Broadband Visions LLC [Member]  
Equity Method Investment, Ownership Percentage 24.30%
Independent Emergency Services LLC [Member]  
Equity Method Investment, Ownership Percentage 14.29%
Fiber Minnesota LLC [Member]  
Equity Method Investment, Ownership Percentage 7.63%