Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net loss	$ (30,892)	$ (32,508)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	2,822	1,159
Depreciation of property and equipment	284	112
Amortization of deferred financing costs and loan discount	0	206
Changes in fair value of convertible preferred stock warrants	0	13,294
Changes in operating assets and liabilities:
Accounts receivable	(2,737)	(2,140)
Inventory	(2,184)	(97)
Prepaid expenses and other current assets	(479)	(2,359)
Accounts payable	766	58
Accrued expenses	584	1,558
Net cash used in operating activities	(31,836)	(20,717)
Cash flows from investing activities:
Purchase of property and equipment	(606)	(645)
Net cash used in investing activities	(606)	(645)
Cash flows from financing activities:
Proceeds from the exercise of common stock options	81	10
Proceeds from Employee Stock Purchase Plan	295	0
Payments related to reverse stock split	0	(1)
Proceeds from the issuance of common stock, net of offering costs	0	133,161
Net cash provided by financing activities	376	133,170
Effect of currency exchange on cash and cash equivalents	(21)	(7)
Net change in cash and cash equivalents	(32,087)	111,801
Cash and cash equivalents at beginning of period	142,072	59,112
Cash and cash equivalents at end of period	109,985	170,913
Supplemental Information:
Cash paid for interest	0	1,522
Cash paid for income taxes	$ 4	$ 1