Post-effective amendment to a registration statement that is not immediately effective upon filing

Intangible Assets, Net - Components (Details)

v3.23.3
Intangible Assets, Net - Components (Details) - USD ($)
$ in Thousands
May 31, 2023
May 31, 2022
Asset Acquisition [Line Items]    
Finite-Lived Intangible Assets, Gross $ 3,520 $ 3,520
Accumulated amortization, net of impairment (3,520) (3,388)
Total intangible assets, net   132
Website development costs    
Asset Acquisition [Line Items]    
Finite-Lived Intangible Assets, Gross 20 20
Leronlimab (PRO 140) patent    
Asset Acquisition [Line Items]    
Finite-Lived Intangible Assets, Gross $ 3,500 $ 3,500