Annual report pursuant to Section 13 and 15(d)

PATENTS (Details 1)

v3.21.1
PATENTS (Details 1) - Patents [Member]
Dec. 31, 2020
USD ($)
2021 $ 294,000
2022 294,000
2023 230,000
2024 83,000
2025 and thereafter 677,000
Total $ 1,578,000