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Supplemental Cash Flow Information (Details 1) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Dec. 31, 2019
Supplemental Cash Flow Information [Abstract]        
Cash and cash equivalents $ 80,049 $ 1,466,831    
Restricted cash [1] 2,049,056 2,049,056    
Total cash, cash equivalents, and restricted cash $ 2,129,105 $ 3,515,887 $ 7,986,491 $ 6,726,282
[1] Amounts included in restricted cash represent the deposits required under the Company's lines of credit.