Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Operating Activities:
Net (loss) income	$ (66,756)	$ (48,688)
Depreciation and amortization	3,884	3,975
Amortization of right-of-use lease assets	138	13
Amortization of debt issuance costs and premium	552	493
Change in fair value of warrants	0	2,717
Gain on expiration of warrant	0	(5,018)
Amortization of discount on short-term investments	(1,405)	(30)
Stock-based compensation	11,397	7,575
Provision for excess and obsolete inventory	752	2,367
Accounts receivable	(6,094)	(1,996)
Inventories	(7,555)	(2,111)
Prepaid and other assets	789	(2,809)
Accounts payable	635	555
Accrued expenses and other liabilities	4,813	3,683
Net cash used in operating activities	(58,850)	(44,708)
Investing Activities:
Purchases of property and equipment	(2,393)	(1,940)
Maturity of short-term investments	255,000	80,000
Purchase of short-term investments	(212,657)	(159,967)
Net cash (used in) provided by investing activities	39,950	(81,907)
Financing Activities:
Proceeds from term loan	0	15,000
Payments of debt issuance costs	(145)	(132)
Proceeds from exercise of warrants	0	790
Proceeds from exercise of stock options and issuance of common stock under the employee stock purchase plan	1,778
Payments for employee taxes related to stock compensation	(643)	0
Proceeds from initial public offering, net of underwriting discounts and commissions and offering costs	0	119,582
Proceeds from issuance of common stock in at-the-market offerings	6,050
Principal payments on finance lease liabilities	(121)	(27)
Payments of deferred offering costs	(587)	0
Change in notes receivables for redeemable common stock issued	0	575
Proceeds from exercise of stock options	0	1,554
Net cash provided by financing activities	6,332	137,342
Effect of foreign exchange rate on cash, cash equivalents and restricted cash	(9)	(10)
Net increase in cash, cash equivalents and restricted cash	(12,577)	10,717
Cash, cash equivalents and restricted cash - beginning of period	25,172	14,455
Cash, cash equivalents and restricted cash - end of period	12,595	25,172
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	2,187	1,269
Cash paid for income taxes	3	20
Cash paid for interest on financing leases	18	5
Cash paid for interest on term loan	4,239	3,182
Right-of-use assets obtained in exchange for lease obligations:
Operating lease	1,090	126
Finance lease	311	0
Lease obligations recorded for right-of-use assets:
Operating lease	1,090	126
Finance lease	311	0
Acquisition of property and equipment included in accounts payable and accrued expenses and other current liabilities	299	0
Deferred offering costs included in accrued expenses	133	0
Payment-in-kind interest income added to principal of notes receivable	0	28
Reclassification from warrant liability to additional paid-in capital for warrants exercised	0	1,111
Reclassification of 4,093,995 shares of redeemable common stock to 4,093,995 shares of common stock	0	87,702
Reclassification of redeemable common stock options to common stock options	0	47,370
Conversion of preferred stock to common stock upon initial public offering	0	357,202
Deferred offering costs reclassified to additional paid in capital	$ 90	$ 3,156