CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 41,213	$ 72,362
Restricted cash	15,947	16,193
Short-term investments	71,212	25,297
Accounts receivable, net	0	2,189
Prepaid expenses and other current assets	5,459	4,537
Total current assets	133,831	120,578
Operating lease right-of-use assets	3,968	4,490
Property and equipment, net	29,167	41,328
Intangibles, net	44,883	48,253
Restricted cash, long-term	1,054	1,112
Other long-term assets	705	1,537
TOTAL ASSETS	213,608	217,298
Current liabilities:
Accounts payable	3,529	1,503
Accrued expenses	6,842	6,553
Contingent consideration	12,750	12,750
Long-term debt	2,733	3,258
Operating lease obligations	1,608	1,679
Financing lease obligations	78	641
Deferred revenue	1,116	3,174
Total current liabilities	28,656	29,558
Long-term debt, net of current portion	1,257	4,660
Operating lease obligations, net of current portion	4,429	5,643
Deferred revenue, long-term	0	966
Other long-term liabilities	133	295
TOTAL LIABILITIES	34,475	41,122
Commitments (See Note 10)
STOCKHOLDERS' EQUITY
Preferred stock, $0.0001 par value; 10,000,000 shares authorized; no shares issued and outstanding as of December 31, 2024 and 2023	0	0
Common stock, $0.0001 par value; 500,000,000 shares authorized; 115,362,265 and 93,087,675 shares issued and outstanding as of December 31, 2024 and 2023, respectively	12	9
Additional paid-in capital	688,726	582,699
Accumulated deficit	(509,601)	(406,495)
Accumulated other comprehensive loss	(4)	(37)
TOTAL STOCKHOLDERS' EQUITY	179,133	176,176
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 213,608	$ 217,298