v3.26.3
Note 7 - Commitments and Contingencies - Summary of Concentration Risk by Segment (Details) - Geographic Concentration Risk [Member] - Total Revenue [Member] - New York City [Member]
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Concentration Risk 100.00% 100.00% 100.00% 100.00%
Commercial Segment [Member]        
Concentration Risk 16.00% 21.00% 16.00% 24.00%
Residential Segment [Member]        
Concentration Risk 84.00% 79.00% 84.00% 76.00%