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COLLABORATION AGREEMENTS: (Narrative) (Details)
$ in Thousands
 12 Months Ended
Nov. 01, 2021
USD ($)
Agreement
Candidate
Instalment
Program
Dec. 31, 2007
Number of generic collaborative agreements to sell rights | Agreement 10  
Number of generic programs retained for collaboration rights | Program 2  
Number of generic drug candidates | Candidate 4  
Expected revenue receivable over twenty four months | $ $ 21,500  
Number of approved generic drug products | Program 2  
Number of unapproved generic programs | Program 8  
Upfront payment received | $ $ 1,250  
Payment receivable in instalments | $ $ 20,250  
Number of equal quarterly instalments | Instalment 8  
Minimum [Member]    
Royalties maturity   2016
Maximum [Member]    
Royalties maturity   2024