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Commitments and Contingencies - NYSE Continued Listing Standards (Details) - $ / shares
12 Months Ended
Feb. 04, 2022
Sep. 26, 2019
Dec. 31, 2020
Other Commitments [Line Items]      
Average closing price, per share   $ 1.00 $ 1.00
Trading period   30 days 30 days
Subsequent Event      
Other Commitments [Line Items]      
Average closing price, per share $ 1.00    
Trading period 30 days