CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 53,428	$ 60,081
Short-term investments	147,771	215,765
Accounts receivable, net	14,695	14,867
Inventory	8,507	8,624
Prepaid expenses and other current assets	11,352	8,931
Total current assets	235,753	308,268
Property and equipment, net	1,149	1,341
Right-of-use asset	670	781
Intangible assets, net	6,815	7,028
Restricted cash	460	328
Other long-term assets	13,804	14,999
Total assets	258,651	332,745
Current liabilities:
Accounts payable	7,550	4,885
Accrued expenses and other current liabilities	44,531	48,262
Deferred revenue	1,286	1,286
Lease liability	793	770
Total current liabilities	54,160	55,203
Long-term liabilities:
Deferred royalty obligation	107,368	106,143
Lease liability, non-current	284	490
Derivative liability	660	1,150
Other long-term liabilities	34,598
Total liabilities	197,070	162,986
Stockholders' equity:
Common stock, $0.001 par value: 120,000,000 shares authorized; 59,426,559 and 56,612,429 shares issued and outstanding at December 31, 2023 and December 31, 2022, respectively	60	59
Additional paid-in capital	1,097,810	1,064,302
Accumulated other comprehensive income (loss)	(181)	134
Accumulated deficit	(1,036,108)	(894,736)
Total stockholders' equity	61,581	169,759
Total liabilities and stockholders' equity	$ 258,651	$ 332,745