Annual report pursuant to Section 13 and 15(d)

Common Stock (Narrative) (Details)

v3.21.1
Common Stock (Narrative) (Details) - USD ($)
Dec. 31, 2020
Aug. 31, 2019
Common Stock [Abstract]    
Amount authorized to be repurchased   $ 2,000,000
Remaining amount authorized to be repurchased $ 341,000