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UNSECURED NOTES PAYABLE (Tables)
3 Months Ended
Jun. 30, 2021
Unsecured Notes Payable  
Schedule of notes payable
            
   CURRENT  CURRENT  NON-CURRENT   
(In thousands)  PPL  iOx  SalvaRx  Total
             
Balance, April 1, 2020  $200   $100   $3,361   $3,661 
Repayment           (1,020)   (1,020)
Amortization of debt discount           76    76 
Value of notes exchanged in warrant exercise           (2,640)   (2,640)
Settlement in connection with disposition of PPL   (200)           (200)
Loss on extinguishment of debt           223    223 
Proceeds from loan payable       50        50 
Balance, March 31, 2021  $   $150   $   $150 
Proceeds from loan payable                
Balance, June 30, 2021  $   $150   $   $150