REVENUE RECOGNITION (Tables)

12 Months Ended

Dec. 31, 2022

REVENUE RECOGNITION.

Reconciliation of gross product sales to net product sales by each significant category of gross-to-net adjustments

(in thousands)	Year ended
	December 31,		December 31,
	2022		2021
Gross product revenue	$	4,119	$	8,172
Gross-to-net adjustments:
Chargebacks and administrative fees		(367)		(840)
Trade discounts and allowances		(182)		(383)
Government rebates and co-payment assistance		(229)		(372)
Sales returns and allowances		(708)		(40)
Total gross-to-net adjustments(1)	$	(1,486)	$	(1,635)
Net product revenue	$	2,633	$	6,537

(1)As of December 31, 2022 and 2021, approximately $0.2 million and $0.4 million of estimated gross-to-net-accruals have been recorded as a reduction of accounts receivable, net and within accounts payable and accrued expenses on the consolidated balance sheets.