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Liquidity (Details Textual) - USD ($)
1 Months Ended 3 Months Ended
May 30, 2020
Apr. 30, 2020
Dec. 31, 2019
Aug. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2018
Liquidity (Textual)              
Cash and cash equivalents     $ 1,625,671   $ 398,737 $ 250,464 $ 1,368,395
Cash backlog         17,500,000    
Net proceeds of offering     $ 2,117,948 $ 1,136,025      
Net proceeds of approximately       $ 1,136,014 $ 326,250    
Subsequent Event [Member]              
Liquidity (Textual)              
Net proceeds of approximately $ 13,475,000 $ 1,509,200