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

PATENTS (Details)

v3.25.4
PATENTS (Details) - USD ($)
Dec. 31, 2025
Dec. 31, 2024
Patents    
Gross carrying amount $ 8,887,000 $ 8,473,000
Accumulated amortization (7,408,000) (7,268,000)
Patents, net $ 1,479,000 $ 1,205,000