XML 75 R46.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Patents (Details Narrative) - USD ($)
6 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Jun. 30, 2019
Patents totaled $ 787,605   $ 779,100
Amortization expense $ 65,980  
Patents [Member]      
Intangible assets estimated useful lives 17 years    
Patents totaled $ 787,605   $ 779,100
Amortization expense $ 63,000 $ 70,000