REVENUE RECOGNITION (Tables)

12 Months Ended

Dec. 31, 2021

REVENUE RECOGNITION.

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

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

(1)As of December 31, 2021, approximately $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.