Accrued Expenses and Other Current Liabilities (Tables)

6 Months Ended

Jun. 30, 2022

Payables and Accruals [Abstract]

Schedule of accrued expenses and other current liabilities

(in thousands)	June 30, 2022		December 31, 2021
Advance payments received under joint development agreements	$	1,197	$	1,978
Accruals for construction of property and equipment		684		71
Income taxes payable		389		226
Accrued professional services		398		1,099
Other		3,454		2,899
Accrued expenses and other current liabilities	$	6,122	$	6,273