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Related Parties and Related Party Transactions (Details) - USD ($)
$ in Thousands
Apr. 30, 2022
Jan. 31, 2022
Prepaid Expenses $ 2,750 $ 2,918
Accounts Payable And Accrued Expenses 994 744
Related Parties [Member]    
Prepaid Expenses 2,000 2,000
Accounts Payable And Accrued Expenses 0 24
Loans Payable $ 18 $ 24