Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Accrued Expenses and Other Current Liabilities
Compensation and related benefits	$ 3,013	$ 4,976
Third-party and professional fees	2,245	2,233
Amounts due to Aroa	835	842
Current portion of operating lease liabilities	347
Research and development expenses	92	31
Other	51	79
Total accrued expenses and other current liabilities	$ 6,583	$ 8,161

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).

+ References

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (b)
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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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-Publisher FASB
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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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