XML 62 R48.htm IDEA: XBRL DOCUMENT v3.21.1
Income Taxes - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Taxes    
Net Operating Losses For Tax Purposes $ 69,600,000  
Operating loss carry forwards estimated limitation $ 686,000  
Maximum percentage of operating loss carryforwards ownership limitation 50.00%  
Federal income tax rate (as a percent) 21.00% 21.00%
Net deferred tax asset $ 14,830,000 $ 13,505,000
Accrued interest or penalties $ 0 $ 0