Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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+ Details

Related party transactions (Details) - USD ($)	3 Months Ended		9 Months Ended
Related party transactions (Details) - USD ($)	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Related party transactions
Royalties earned			$ 0
Consultancy services with Stone Sunny Isles Inc.
Related party transactions
Amount of transaction	$ 43,000	$ 43,000	$ 200,000	$ 100,000