Annual report pursuant to Section 13 and 15(d)

Note 6 - Patents - Intangible Assets and Accumulated Amortization (Details)

v3.19.1
Note 6 - Patents - Intangible Assets and Accumulated Amortization (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Patent asset $ 2,006,443 $ 2,028,557
Accumulated amortization (1,242,900) (1,145,095)
Net intangibles $ 763,543 $ 883,462