Balance sheet details - Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Accrued expenses:
Accrued transaction costs	$ 0	$ 2,459
Accrued professional services	2,642	1,858
Accrued compensation and related benefits	3,707	1,641
Other accruals	993	233
Other current liabilities:
Other payroll expenses	722	451
Customer deposit	45	45
Current portion of operating lease liabilities	1,390	1,533
Promissory note, related party (Refer to Note 9 - Promissory note, related party)	105	420
Total accrued expenses and other current liabilities	$ 9,604	$ 8,640
Current portion of operating lease liabilities, location	Total accrued expenses and other current liabilities	Total accrued expenses and other current liabilities