Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accrued Expenses and Other Current Liabilities
Compensation and benefits	$ 1,965	$ 2,132
Commercial expenses	93	107
Legal expenses	381	124
Clinical trial expenses	1,421	550
Pharmaceutical development expenses	201	161
Credit balances to customers	67	87
Accrued purchases		271
Accrued interest	522
Other accrued expenses and other current liabilities	811	415
Total accrued expenses and other current liabilities	$ 5,461	$ 3,847