Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net - Amortization Expense Intangible Assets (Details)

v3.22.1
Intangible Assets, Net - Amortization Expense Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Feb. 28, 2022
Feb. 28, 2021
May 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]          
Amortization expense $ 100 $ 500 $ 700 $ 1,500  
Intangible asset impairment charge   $ 10,049   $ 10,049  
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]          
2022 (3 months remaining) 110   110    
2023 217   217    
2024 85   85    
2025 85   85    
Thereafter 546   546    
Total amortizable intangible assets, net $ 1,043   $ 1,043   $ 1,653