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BALANCE SHEET COMPONENTS - Accrued expenses and other current liabilities (Details) - USD ($)	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023
BALANCE SHEET COMPONENTS
Accrued salaries and commissions	$ 3,387,675				$ 3,344,080
Professional fees	769,577				956,432
Clinical studies	589,577				686,908
Deferred revenue	419,331				1,380,821
Other	865,510				991,545
Accrued expenses and other current liabilities	$ 6,031,670	$ 5,514,269	$ 6,185,143	$ 7,431,606	$ 7,359,786	$ 7,280,322	$ 7,034,859	$ 6,346,894

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Amount of accrued expenses and other current liabilities.

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for salaries and commissions. 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 clinical study costs. 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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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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