ACCRUED EXPENSES (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
ACCRUED EXPENSES.
Compensation	$ 466	$ 996
Clinical	220	5
Legal	2	17
Other accrued expenses	125	146
Total accrued expenses	$ 813	$ 1,164

Amount of clinical expenses incurred but not yet paid, due within one year or the normal operating cycle, if longer.

No definition available.

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. 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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- Definition

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).

+ References

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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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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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