Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash flows from operating activities:
Net loss	$ (46,608)	$ (31,253)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation expense	2,795	2,402
Non-cash interest expense related to note payable	432
Stock-based compensation	2,367	2,008
Changes in current assets and liabilities:
Accounts receivable	(31,926)
Prepaid expenses and other assets	1,728	492
Prepaid rent		(1,388)
Right-of-use assets and lease liabilities, net	240	(60)
Accounts payable	862	1,232
Accrued expense and other liabilities	1,520	(2,187)
Deferred revenue	22,981	(4,737)
Net cash used in operating activities	(45,609)	(33,491)
Cash flows from investing activities:
Purchases of property and equipment	(1,258)	(2,424)
Net cash used in investing activities	(1,258)	(2,424)
Cash flows from financing activities:
Proceeds from issuance of common stock, net of offering costs	42,600
Proceeds from issuance of pre-funded warrants, net of offering costs	92,394
Proceeds from exercise of stock options	682	119
Net cash provided by financing activities	135,676	119
Net increase (decrease) in cash, cash equivalents and restricted cash	88,809	(35,796)
Cash, cash equivalents, and restricted cash - beginning of period	125,064	166,436
Cash, cash equivalents, and restricted cash - end of period	213,873	130,640
Summary of cash, cash equivalents and restricted cash reported within the consolidated balance sheets:
Cash and cash equivalents	208,842	125,603
Restricted cash	5,031	5,037
Total cash, cash equivalents, and restricted cash	213,873	130,640
Supplemental disclosure of cash flow information:
Cash paid for interest	1,502
Supplemental disclosure of non-cash investing and financing activities:
Purchase of property and equipment in accounts payable and accrued liabilities	87	$ 213
Issuance costs included in accounts payable and accrued liabilities	$ 262