Quarterly report pursuant to Section 13 or 15(d)

PATENTS (Details Narrative)

v3.21.1
PATENTS (Details Narrative) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Amortization expense $ 74,000 $ 72,000
Expiration date of Remote Power Patent March 7, 2020  
Minimum [Member]    
Estimated remaining economic useful of patents 5 months 30 days  
Expiration dates of the patents within the Cox patent portfolio September 2021  
Expiration dates of the patents within the Company's M2M/IoT Patent Portfolio September 2033  
Maximum [Member]    
Estimated remaining economic useful of patents 12 years 5 months 30 days  
Expiration dates of the patents within the Cox patent portfolio November 2023  
Expiration dates of the patents within the Company's M2M/IoT Patent Portfolio May 2034