Revenue (Tables)

6 Months Ended

Jun. 30, 2021

Revenue From Contract With Customer [Abstract]

Disaggregation of Revenue

Net product revenues by product for the three and six months ended June 30, 2021 and 2020 were as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
YUTIQ (A)	$	4,166	$	2,879	$	7,196	$	6,454
DEXYCU (B)		4,572		827		8,344		1,939
Total product sales, net	$	8,738	$	3,706	$	15,540	$	8,393

(A) Included approximately $14,000 and $11,000 of revenue from YUTIQ product sales to Ocumension for the three months ended June 30, 2021 and 2020, respectively. Included approximately $19,000 and $11,000 of revenue from YUTIQ product sales to Ocumension for the six months ended June 30, 2021 and 2020, respectively.

(B) No revenue was recognized from DEXYCU product sales to Ocumension for the three and six months ended June 30, 2021 and 2020.

Product Revenue Allowances and Reserves

The following table summarizes activity in each of the product revenue allowance and reserve categories for the six months ended June 30, 2021 and 2020, respectively (in thousands):

	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		2,932			1,965			497			5,394
Adjustments related to prior period sales		(50	)		(22	)		(100	)		(172	)
Deductions applied and payments made		(2,229	)		(1,121	)		(581	)		(3,931	)
Ending balance at June 30, 2021	$	1,227		$	1,357		$	419		$	3,003
	Chargebacks, Discounts			Government and Other
	and Fees			Rebates			Returns			Total
Beginning balance at January 1, 2020	$	1,618		$	271		$	352		$	2,241
Provision related to sales in the current year		864			247			436			1,547
Adjustments related to prior period sales		(387	)		—			50			(337	)
Deductions applied and payments made		(1,185	)		(400	)		(324	)		(1,909	)
Ending balance at June 30, 2020	$	910		$	118		$	514		$	1,542