ACCOUNTS RECEIVABLES, NET - Schedule of Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accounts receivables
Total accounts receivable, net	$ 44,361	$ 44,350
Receivables related to product sales, net
Accounts receivables
Total accounts receivable, net	43,753	40,784
Receivables from Collegium
Accounts receivables
Total accounts receivable, net	$ 608	$ 3,566

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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