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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDER'S EQUITY (Unaudited) (Parenthetical) - USD ($)
3 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Common Stock [Member]            
Offering costs $ 0 $ 0 $ 0 $ 0 $ 3,000 $ 0