Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 8 Months Ended 12 Months Ended
Aug. 31, 2020
Aug. 31, 2019
Aug. 31, 2020
Aug. 31, 2019
Aug. 31, 2020
Dec. 31, 2019
Income Taxes            
Percentage of deductions from adjustable taxable income         50.00% 30.00%
Income tax expense $ 18 $ 14 $ 56 $ 37    
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate 0.10% 0.10% 0.20% 0.10%