XML 37 R25.htm IDEA: XBRL DOCUMENT v3.22.1
Product Revenue, Net (Tables)
3 Months Ended
Mar. 31, 2022
Revenue from Contract with Customer [Abstract]  
Schedule of Chargebacks, Discounts and Reserve Balances
The activities and ending reserve balances for each significant category of discounts and allowances, which constitute variable consideration, were as follows (in thousands):
Discounts and ChargebacksRebatesOther Fees, Copay and ReturnsTotal
Balance as of December 31, 2021$— $— $— $— 
Activity related to 2022 sales24 40 90 154 
Balance as of March 31, 2022$24 $40 $90 $154