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RESTRICTED CASH AND INVESTMENTS (Tables)
12 Months Ended
Dec. 31, 2023
Restricted Cash And Investments [Abstract]  
Summary of restricted cash and investments

    

    

At December 31

At December 31

(in thousands)

2023

2022

Cash and cash equivalents

$

3,259

$

3,133

Investments

 

7,972

 

7,972

$

11,231

$

11,105

Restricted cash and investments-by item:

 

  

 

  

Elliot Lake reclamation trust fund

$

3,259

$

3,133

Letters of credit facility pledged assets

 

7,972

 

7,972

$

11,231

$

11,105