Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 91,228	$ 83,507
Short-term marketable securities	181,299	222,709
Accounts receivable, net	32,684	31,952
Inventory	21,098	21,210
Prepaid expenses and other current assets	23,628	21,718
Total current assets	349,937	381,096
Long-term marketable securities	26,778	46,699
Other long-term assets and long-term investments—restricted	8,133	8,277
Property and equipment, net	5,155	5,421
Operating lease assets	30,925	32,073
Total assets	420,928	473,566
Current liabilities:
Accounts payable	19,459	26,476
Accrued expenses and other current liabilities	60,396	70,295
Operating lease liabilities	3,574	3,504
Total current liabilities	83,429	100,275
Operating lease liabilities, net of current portion	21,449	22,375
Total liabilities	104,878	122,650
Commitments and contingencies (Note 7)
Stockholders' equity:
Preferred stock, $0.01 par value per share; 5,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.01 par value per share; 125,000,000 shares authorized; 82,158,670 shares and 80,503,338 shares issued and outstanding as of March 31, 2024 and December 31, 2023, respectively	821	805
Additional paid-in capital	1,788,519	1,777,839
Accumulated other comprehensive income (loss)	98	577
Accumulated deficit	(1,473,388)	(1,428,305)
Total stockholders' equity	316,050	350,916
Total liabilities and stockholders' equity	$ 420,928	$ 473,566