Schedule II Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2021

SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]

Schedule II Valuation and Qualifying Accounts

Valuation and Qualifying Accounts

(in thousands)

	Balance at Beginning of Period		Additions		Deductions		Balance at End of Period
For the year ended December 31, 2021
Accounts receivable allowances (1)	$	1,003	$	8,131	$	(7,994)	$	1,140
For the year ended December 31, 2020
Accounts receivable allowances (1)	$	797	$	13,276	$	(13,070)	$	1,003
For the year ended December 31, 2019
Accounts receivable allowances (1)	$	592	$	7,327	$	(7,122)	$	797

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(1)Allowances are for chargebacks, prompt payment discounts and distribution fees related to Hylenex recombinant product sales.