Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Details)

v3.20.4
Income Taxes - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Contingency [Line Items]      
Effective statutory tax rate 21.00% 21.00% 21.00%
Discrete income tax benefit $ 575,000    
Uncertain tax position 0    
Interest and penalties associated with income taxes 0 $ 0 $ 23,000
US      
Income Tax Contingency [Line Items]      
Federal net operating loss carryforwards $ 184,000    
Internal Revenue Service (IRS)      
Income Tax Contingency [Line Items]      
Operating loss carryforwards The Company has federal net operating loss carryforwards of approximately $184 thousand which begin to expire in 2032. This amount is subject to a limitation by Section 382 of the Internal Revenue Code of 1986, as amended, to $2.1 million per year.