Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accrued Expenses and Other Current Liabilities
Compensation and related benefits	$ 4,976	$ 3,666
Interest		40
Third-party and professional fees	2,233	1,626
Amounts due to Aroa	842	498
Research and development expenses	31	7
Other	79	116
Total accrued expenses and other current liabilities	$ 8,161	$ 5,953

Amount of accrued and liabilities classified as other, due within one year or the normal operating cycle, if longer.

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Accrued Expenses, Amount Due To Third Party Manufacturer

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Carrying value of current portion of obligation payable pertaining to Research and development.

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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 [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. 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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Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. 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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