Notes And Other Explanatory Information [Abstract]
| Concept | 2022-01-01 to 2022-12-31 | 
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| Notes and other explanatory information [abstract] | |
| Disclosure of auditors' remuneration [text block] | 
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| Disclosure of basis of consolidation [text block] |  | 
| Disclosure of changes in accounting policies, accounting estimates and errors [text block] |  | 
| Disclosure of credit risk [text block] |  | 
| Disclosure of deferred taxes [text block] |  | 
| Disclosure of earnings per share [text block] | 
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| Disclosure of finance cost [text block] | 
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| Disclosure of finance income [text block] | 
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| Disclosure of financial instruments [text block] |  | 
| Disclosure of financial risk management [text block] |  | 
| Disclosure of income tax [text block] | 
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| Disclosure of information about key management personnel [text block] | 
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| Disclosure of issued capital [text block] | 
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| Disclosure of liquidity risk [text block] |  | 
| Disclosure of market risk [text block] |  | 
| Disclosure of subsidiaries [text block] | 
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| Disclosure of trade and other payables [text block] | 
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| Disclosure of trade and other receivables [text block] | 
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| Disclosure of treasury shares [text block] |  |