Quarterly report pursuant to Section 13 or 15(d)

Convertible Preferred Stock and Stockholders' Equity - (Details)

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Convertible Preferred Stock and Stockholders' Equity - (Details) - USD ($)
3 Months Ended
Apr. 18, 2019
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Dec. 31, 2019
Class of Stock [Line Items]          
Number of Shares Authorized       1,250,000 1,250,000
Liquidation Preference   $ 1,156,000 $ 1,136,000    
Series A Preferred Stock          
Class of Stock [Line Items]          
Number of Shares Authorized   1,250,000      
Number of shares Issued and Outstanding   250,000      
Proceeds Net of Issuance Costs $ 1,000,000 $ 920,000      
Conversion Price per Share $ 80.00 $ 80.00      
Liquidation Preference   $ 1,156,000