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Liquidity (Details Textual) - USD ($)
1 Months Ended
May 30, 2020
Apr. 30, 2020
Dec. 31, 2019
Nov. 30, 2019
Aug. 31, 2019
Apr. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2018
Liquidity (Textual)                  
Cash and cash equivalents     $ 1,625,671       $ 13,047,565 $ 1,953 $ 1,368,395
Cash backlog             $ 24,860,000    
Net proceeds of offering $ 15,596,141 $ 1,522,339 $ 2,117,948   $ 1,136,015 $ 1,136,015      
Net proceeds of approximately       $ 326,000