Annual report [Section 13 and 15(d), not S-K Item 405]

Revenue Recognition (Narrative) (Details)

v3.26.1
Revenue Recognition (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Revenue Recognition [Abstract]      
Retainage on commercial revenue contracts $ 455,660 $ 189,880  
Contract assets 658,177 560,648 $ 57,241
Contract liabilities 2,737,151 2,314,483 $ 2,552,452
Contract liability revenue recognized $ 2,186,702 $ 2,552,452