REVENUE RECOGNITION (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
REVENUE RECOGNITION.
Gross product revenue		$ 2,528	$ 4,119	$ 5,167
Chargebacks and administrative fees	$ (4)	(292)	(376)	(487)
Trade discounts and allowances	7	(128)	(182)	(222)
Government rebates and co-payment assistance	3	(103)	(279)	(179)
Sales returns and allowances	50	(13)	(691)	(25)
Total gross-to-net adjustments	56	(536)	(1,528)	(913)
Net product revenue	56	$ 1,992	2,591	$ 4,254
Estimated amount of gross net accruals	$ 300		$ 300