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Accrued Expenses (Tables)
12 Months Ended
Feb. 28, 2023
Banking and Thrift, Interest [Abstract]  
Schedule of accrued expenses
   February 28,
2023
   February 28,
2022
 
(amounts in thousands)          
Accrued interest-convertible notes payable (past due)  $354   $284 
Accrued interest-convertible notes payable related party (past due)   713    563 
Accrued interest-notes payable and other   322    36 
Subtotal-accrued interest   1,389    883 
           
Accrued payroll and related expenses   315    432 
Other accrued expenses   126    377 
   $1,830   $1,692