Annual report pursuant to Section 13 and 15(d)

Convertible Preferred Stock and Stockholders' Equity - (Details)

v3.20.4
Convertible Preferred Stock and Stockholders' Equity - (Details) - USD ($)
12 Months Ended
Apr. 18, 2019
Dec. 31, 2020
Dec. 31, 2019
Class of Stock [Line Items]      
Number of Shares Authorized   1,250,000 1,250,000
Liquidation Preference   $ 1,136,000 $ 1,056,000
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  
Liquidation Preference   $ 1,136,000