XML 40 R26.htm IDEA: XBRL DOCUMENT v3.21.2
Summary of Significant Accounting Policies - Research and Development (Details) - USD ($)
9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Funds Received $ 44,000 $ 40,000
Engineering and installation    
Funds Received   $ 50,000