Quarterly report pursuant to Section 13 or 15(d)

PATENTS (Details 1)

v3.21.1
PATENTS (Details 1) - Patents [Member]
Mar. 31, 2021
USD ($)
2022 $ 294,000
2023 294,000
2024 230,000
2025 83,000
2026 and thereafter 611,000
Total $ 1,512,000