Product Revenue - Schedule of Product Revenue Allowance and Reserves (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Contractual Adjustments
Contract adjustments, beginning balance	$ 0
Contractual adjustments, current provisions relating to sales in the current year	37
Contractual adjustments, adjustments relating to prior year	0
Contractual adjustments, payments/returns relating to sales in the current year	(11)
Contractual adjustments, payments/returns relating to sales in the prior year	0
Contract adjustments, ending balance	26
Government Rebates
Government rebates, beginning balance	0
Government rebates, current provisions relating to sales in the current year	56
Government rebates, adjustments relating to prior years	0
Government rebates, payments/returns relating to sales in the current year	0
Government rebates, payments/returns relating to sales in the prior years	0
Government rebates, ending balance	56
Returns
Returns, beginning balance	0
Returns, current provisions relating to sales in the current year	9
Returns, adjustments relating to prior years	0
Returns, payments/returns relating to sales in the current year	0
Returns, payments/returns relating to sales in the prior years	0
Returns, ending balance	9
Total
Total revenue-related reserves	91	$ 0
Total allowances and reserves, current provisions relating to sales in the current year	102
Total allowances and reserves, adjustments relating to prior years	0
Total allowances and reserves, payments/returns relating to sales in the current year	(11)
Total allowances and reserves, payments/returns relating to sales in the prior years	$ 0