Revenue (Tables)

3 Months Ended

Mar. 31, 2022

Revenue From Contract With Customer [Abstract]

Disaggregation of Revenue

Net product revenues by product for the three months ended March 31, 2022 and 2021 were as follows (in thousands):

	Three Months Ended		Three Months Ended
	March 31, 2022		March 31, 2021
YUTIQ (A)	$	4,611	$	3,029
DEXYCU (B)		4,399		3,773
Total product sales, net	$	9,010	$	6,802

(A)	Included approximately $56 and $5 of revenue from YUTIQ product sales to Ocumension under a supply agreement for the three months ended March 31, 2022 and 2021, respectively.
(B)	No revenue was recognized from DEXYCU product sales to Ocumension under a supply agreement for the three months ended March 31, 2022 and 2021.

Product Revenue Allowances and Reserves

The following table summarizes activity in each of the product revenue allowance and reserve categories for the three months ended March 31, 2022 and 2021 (in thousands):

	Chargebacks, Discounts			Government and Other
	and Fees			Rebates			Returns			Total
Beginning balance at January 1, 2022	$	1,153		$	1,821		$	379		$	3,353
Provision related to sales in the current year		2,674			2,003			140			4,817
Adjustments related to prior period sales		—			—			—			—
Deductions applied and payments made		(1,904	)		(1,693	)		(87	)		(3,684	)
Ending balance at March 31, 2022	$	1,923		$	2,131		$	432		$	4,486
	Chargebacks, Discounts			Government and Other
	and Fees			Rebates			Returns			Total
Beginning balance at January 1, 2021	$	574		$	535		$	603		$	1,712
Provision related to sales in the current year		1,041			679			171			1,891
Adjustments related to prior period sales		(50	)		(22	)		(100	)		(172	)
Deductions applied and payments made		(809	)		(473	)		(184	)		(1,466	)
Ending balance at March 31, 2021	$	756		$	719		$	490		$	1,965