Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 27,884	$ 46,506
Short-term investments, at amortized cost	126,598	121,782
Accounts receivable, net	4,682	5,778
Inventory	8,914	12,229
Prepaid expenses and other current assets	3,606	3,899
Total current assets	171,684	190,194
Investments, non-current, at amortized cost	35,781	42,938
Property and equipment, net	19,707	23,513
Right-of-use asset - operating leases	10,766	11,241
Other assets	1,532	388
Total assets	239,470	268,274
Current liabilities:
Accounts payable	1,358	743
Accrued expenses and other	8,302	11,269
Operating lease liability, current	864	774
Deferred revenue, current portion	5,251	5,069
Total current liabilities	15,775	17,855
Operating lease liability, net of current portion	17,170	17,969
Other liabilities	274	283
Total liabilities	33,219	36,107
Commitments and contingencies (Note 8)
Stockholders' equity
Preferred stock, $0.01 par value; 5,000,000 shares authorized and no shares issued and outstanding at December 31, 2024 and December 31, 2023
Common stock, $0.01 par value; 400,000,000 shares authorized, 105,711,093 and 103,961,670 shares issued and outstanding at December 31, 2024 and December 31, 2023, respectively	1,057	1,040
Additional paid-in capital	422,047	406,925
Accumulated deficit	(216,853)	(175,798)
Total stockholders' equity	206,251	232,167
Total liabilities and stockholders' equity	$ 239,470	$ 268,274