Other payables and accrued liabilities (Details) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Other Payables And Accrued Liabilities
Salary payables	$ 1,219,460	$ 846,761
Employee reimbursement and benefit payables	10,257	63,586
Professional fees payable	12,196
Other miscellaneous payables	29,130	23,099
Warranty liability	13,824	14,530
Total other payables and accrued liabilities	$ 1,284,867	$ 947,976

No definition available.

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Amount of liabilities incurred and payable to vendors for goods and services received, and accrued liabilities classified as other.

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Amount of obligations incurred classified as other, payable within one year or the normal operating cycle, if longer.

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Carrying value as of the balance sheet date of obligations, excluding pension and other postretirement benefits, incurred through that date and payable for perquisites provided to employees pertaining to services received from them. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for professional fees, such as for legal and accounting services received. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers.

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