Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities
Net loss	$ (24,422)	$ (32,058)
Adjustments to reconcile net loss to net cash, cash equivalents, and restricted cash used in operating activities
Depreciation and amortization	2,832	1,569
(Accretion) amortization of lease right-of-use assets	(191)	1,394
Loss on extinguishment of liabilities	248
Share-based compensation expense	3,858	3,338
Change in fair value of warrant liability, net		(61)
Provision for doubtful accounts	220	367
Accrued interest, amortization of debt issuance costs and other	2,084	2,695
Inventory excess and obsolescence	12	115
Impairment loss on intangible assets	135	20
Changes in operating assets and liabilities:
Accounts receivable	(2,669)	580
Other current assets	1,129	1,349
Other long-term assets	12
Accounts payable and other accrued liabilities	(679)	1,236
Deferred revenue	71	49
Contingent consideration	(17,167)
Tenant improvement allowances received		12,978
Current and long-term operating lease liabilities	645	(320)
Net cash and cash equivalents and restricted cash used in operating activities	(33,882)	(6,749)
Cash flows from investing activities
Purchase of property and equipment	(2,160)	(14,093)
Patent costs and intangible asset acquisition, net	(110)	(85)
Net cash and cash equivalents and restricted cash used in investing activities	(2,270)	(14,178)
Cash flows from financing activities
Proceeds from the issuance of common stock	55,625
Proceeds from issuance of common stock under employee stock purchase plan	282	420
Proceeds from exercise of stock options	7	87
Payment of contingent consideration		(4,262)
Repayment of term loan and notes payable	(25)	(24)
Payment of debt issuance costs	(37)	(832)
Equity financing costs	(3,615)	(61)
Other	(150)	(79)
Net cash and cash equivalents and restricted cash provided by (used in) financing activities	52,087	(4,751)
Net increase (decrease) in cash and cash equivalents and restricted cash	15,935	(25,678)
Cash, cash equivalents, and restricted cash ‑ beginning of period	26,371	43,174
Cash, cash equivalents, and restricted cash ‑ end of period	42,306	17,496
Supplemental cash flow information:
Debt issuance costs included in accounts payable and other accrued liabilities	2
Equity financing costs included in accounts payable and other accrued liabilities	55
Issuance of Perceptive Warrants		674
Operating lease right-of-use asset obtained in exchange for lease liabilities	281	858
Finance lease right-of-use assets obtained in exchange for lease liabilities	326	773
Cash paid for interest	2,472	2,119
Purchases of property & equipment included in accounts payable and accrued liabilities	$ 68	$ 27