XML 44 R34.htm IDEA: XBRL DOCUMENT v3.22.1
Product Revenue (Tables)
 3 Months Ended
Mar. 31, 2022
Revenue from Contract with Customer [Abstract]  
Schedule of Product Revenue Allowance and Reserve Categories The following table summarizes balances and activity in each of the product revenue allowance and reserve categories (in thousands):
Chargebacks,
discounts and
fees
Government
and other
rebates
Returns
Patient
assistance
Total
Balance at December 31, 2021
$1,006 $5,198 $469 $339 $7,012 
Provision related to current period sales1,493 4,264 261 285 6,303 
Adjustment related to prior period sales(25)15 (133)— (143)
Credit or payments made during the period(1,338)(3,962)(390)(302)(5,992)
Balance at March 31, 2022
$1,136 $5,515 $207 $322 $7,180