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Note 32 - Financial Instruments and Risk Management - Exposure to Risk (Details)
R in Thousands, $ in Thousands
Dec. 31, 2022
USD ($)
Dec. 31, 2022
ZAR (R)
Dec. 31, 2021
USD ($)
Dec. 31, 2021
ZAR (R)
Currency risk [member]        
Statement Line Items [Line Items]        
Net monetary assets/(liabilities) exposed $ (2,503) R 60 $ 1,499 R 59
Effect of possible strengthening or weakening (104) 3 99 3
Currency risk [member] | Cash and cash equivalents [member]        
Statement Line Items [Line Items]        
Net monetary assets/(liabilities) exposed 259 60 259 59
Effect of possible strengthening or weakening 27 3 40 3
Currency risk [member] | Trade and other receivables [member]        
Statement Line Items [Line Items]        
Net monetary assets/(liabilities) exposed 2,607 0 2,293 0
Effect of possible strengthening or weakening 124 0 109 0
Currency risk [member] | Overdrafts [member]        
Statement Line Items [Line Items]        
Effect of possible strengthening or weakening (249) 0 (42) 0
Currency risk [member] | Trade and other payables [member]        
Statement Line Items [Line Items]        
Net monetary assets/(liabilities) exposed (130) 0 (166) 0
Effect of possible strengthening or weakening (6) 0 (8) 0
Currency risk [member] | Overdraft [member]        
Statement Line Items [Line Items]        
Net monetary assets/(liabilities) exposed (5,239) R 0 (887) R 0
Interest rate risk [member] | Cash and cash equivalents [member]        
Statement Line Items [Line Items]        
Net monetary assets/(liabilities) exposed 6,735   17,152  
Interest rate risk [member] | Overdrafts [member]        
Statement Line Items [Line Items]        
Net monetary assets/(liabilities) exposed 5,239   887  
Interest rate risk [member] | Loan notes payable [member]        
Statement Line Items [Line Items]        
Net monetary assets/(liabilities) exposed 7,104   0  
Interest rate risk , increase by 100 basis points [member] | Cash and cash equivalents [member]        
Statement Line Items [Line Items]        
Effect of possible strengthening or weakening 67   172  
Interest rate risk , increase by 100 basis points [member] | Term loan [member]        
Statement Line Items [Line Items]        
Effect of possible strengthening or weakening 52   9  
Interest rate risk , increase by 100 basis points [member] | Overdraft [member]        
Statement Line Items [Line Items]        
Effect of possible strengthening or weakening 71   0  
Interest rate risk, decrease by 100 basis points [member] | Cash and cash equivalents [member]        
Statement Line Items [Line Items]        
Effect of possible strengthening or weakening (67)   (172)  
Interest rate risk, decrease by 100 basis points [member] | Term loan [member]        
Statement Line Items [Line Items]        
Effect of possible strengthening or weakening (52)   (9)  
Interest rate risk, decrease by 100 basis points [member] | Overdraft [member]        
Statement Line Items [Line Items]        
Effect of possible strengthening or weakening $ (71)   $ 0