Share-based compensation - General Information (Details) - USD ($)		1 Months Ended	12 Months Ended
	Oct. 07, 2021	Jan. 26, 2022	Dec. 31, 2024	Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Compensation cost recognized		$ 0	$ 401,216	$ 417,978
Equity Plan 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Shares reserved (in shares)	1,500,000
Threshold percentage (as a percent)	4.50%
Threshold number of shares (in shares)	600,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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FGI Industries Ltd. 10-K