Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Operating activities:
Net loss	$ (36,478)	$ (15,573)
Adjustments to reconcile net loss to net cash used for operating activities:
Depreciation, amortization, and impairment	279	412
Gain on contract termination	0	(300)
Share-based compensation	3,471	3,119
Amortization of debt issuance costs and discounts	5,498	5,342
Other, net	(11)	19
Changes in operating assets and liabilities:
Trade and other receivables, net	(4,476)	2,486
Inventories	(2,081)	(197)
Prepaid expenses and other assets	3,104	1,871
Accounts payable	1,582	(1,730)
Accrued expenses and other liabilities	(2,176)	(1,746)
Deferred revenue	(26)	(11,093)
Net cash used for operating activities	(31,314)	(17,390)
Investing activities:
Capital expenditures	(242)	(64)
Net cash used for investing activities	(242)	(64)
Financing activities:
Proceeds from shares issued under employee stock purchase plan	50	30
Proceeds from exercise of stock options, net	7	539
Repayment of debt principal including lease liabilities	(14)	(10)
Payments for royalty obligations	(11)	0
Payments for taxes on share-based compensation	(722)	(898)
Net cash provided by financing activities	20,546	83,452
Net (decrease) increase in cash and cash equivalents	(11,010)	65,998
Cash and cash equivalents:
Cash and cash equivalents at beginning of period	71,546	23,872
Cash and cash equivalents at end of period	60,536	89,870
Supplemental disclosures of cash flow information:
Cash payments for interest	3,050	2,528
Cash payments for income taxes	0	305
Non-cash investing activities: capital expenditures in Accounts Payable	83	0
At-the-market offering
Financing activities:
Proceeds from common stock issued under public equity offering	21,236	11,817
Public Equity Offering
Financing activities:
Proceeds from common stock issued under public equity offering	$ 0	$ 71,974