Income Taxes (Details) - USD ($) $ in Thousands |
3 Months Ended | 11 Months Ended | 12 Months Ended | |
|---|---|---|---|---|
May 31, 2021 |
May 31, 2020 |
Nov. 30, 2020 |
Dec. 31, 2019 |
|
| Income Taxes | ||||
| Percentage of deductions from adjustable taxable income | 50.00% | 30.00% | ||
| Income tax expense | $ 19 | $ 38 | ||
| Effective income tax rate reconciliation, at federal statutory income tax rate | 0.00% | 0.30% | ||