Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
CURRENT ASSETS
Cash and cash equivalents	$ 87,909	$ 105,762
Accounts receivable, net	19,118	12,531
Inventories	5,187	6,702
Other current assets	3,570	5,452
Total current assets	115,784	130,447
Property and equipment, net	375	604
Operating lease right-of-use assets	1,178	1,739
Intangible assets, net	2,809	2,986
Other assets	12,250	5,680
TOTAL ASSETS	132,396	141,456
LIABILITIES
Accounts payable	7,252	14,175
Accrued liabilities	16,152	13,241
Operating lease liabilities, current portion	829	868
Total current liabilities	24,233	28,284
Accrued milestone and royalty payments	2,250	2,250
Operating lease liabilities, long-term portion	416	899
Other liabilities	816	802
TOTAL LIABILITIES	27,715	32,235
Commitments and contingencies (Note 9)
STOCKHOLDERS' EQUITY
Preferred stock, $0.0001 par value, 5,500,000 shares authorized and none issued at June 30, 2023 and December 31, 2022
Common stock, $0.0001 par value, 100,000,000 shares authorized at June 30, 2023 and December 31, 2022; 43,620,192 and 43,670,109 shares issued at June 30, 2023 and December 31, 2022, respectively	4	4
Additional paid-in capital	552,369	543,929
Accumulated other comprehensive income	1,043	1,331
Accumulated deficit	(448,735)	(436,043)
TOTAL STOCKHOLDERS' EQUITY	104,681	109,221
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 132,396	$ 141,456