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Commitments and contingencies (Details Narrative) - USD ($) | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Commitments and contingencies |  |
Utilised for issuance of bank guarantees | $ 432,000 | $ 605,000
Banking facilities available for overdraft and import and export credits | 897,000 | 897,000
Secured by bank deposit | $ 897,000 | $ 897,000
Weighted average interest rate | 6.70% | 5.00%
Bank borrowings | $ 415,000 | $ 219,000
Average interest rates | 6.70% | 5.00%

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