Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating activities:
Net loss	$ (157,487,000)	$ (157,754,000)	$ (39,855,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	5,458,000	4,202,000	2,525,000
Stock-based compensation	9,965,000	27,731,000	5,089,000
Non-cash interest expense and amortization of debt discount	209,000	420,000	1,513,000
Debt issuance costs from convertible notes	5,742,000
Change in fair value of convertible notes	45,503,000		1,471,000
Loss on extinguishment of debt	772,000		1,627,000
Non-cash operating lease expense	1,050,000	1,063,000	1,128,000
Bad debt expense	713,000	9,615,000	2,352,000
Loss on disposal of property and equipment		155,000
Changes in operating assets and liabilities:
Accounts receivable	9,924,000	(18,369,000)	(4,094,000)
Inventories	676,000	(2,973,000)	141,000
Prepaid expenses and other noncurrent and current assets	4,277,000	(7,383,000)	(1,636,000)
Accounts payable	(2,794,000)	3,130,000	187,000
Accrued expenses	3,735,000	(368,000)	3,900,000
Sales returns reserve	(9,885,000)	9,501,000	567,000
Settlement liability	(34,372,000)	34,372,000
Other current and noncurrent liabilities	(351,000)	(946,000)	240,000
Operating lease liabilities	(439,000)	(852,000)	(1,196,000)
Net cash used in operating activities	(117,304,000)	(98,456,000)	(26,041,000)
Investing activities:
Purchases of property and equipment	(2,791,000)	(882,000)	(1,624,000)
Capitalized software development costs	(296,000)	(3,842,000)	(3,455,000)
Cash paid for acquisition of business		(2,863,000)
Net cash used in investing activities	(3,087,000)	(7,587,000)	(5,079,000)
Financing activities:
Proceeds from issuance of convertible notes, net of issuance costs	105,378,000		10,053,000
Payment of convertible notes issuance costs to third parties	(5,645,000)
Proceeds from issuance of common stock upon rights offering, net of issuance costs	27,598,000
Proceeds from issuance of convertible notes, net of issuance costs			67,867,000
Proceeds from debt financing			15,000,000
Debt repayments	(16,238,000)		(12,720,000)
Proceeds from issuance of common stock upon initial public offering, net of underwriting discounts and commissions and other offering costs		(40,000)	148,542,000
Proceeds from PPP loan			4,574,000
Repayment of PPP loan			(4,574,000)
Proceeds from stock options exercised	134,000	1,724,000	1,179,000
Proceeds from employee stock purchase plan purchases		2,674,000
Payment of taxes related to net share settlement of restricted stock units	(29,000)
Restricted stock units settled in cash	(69,000)
Net cash provided by financing activities	111,129,000	4,358,000	229,921,000
Net decrease in cash and cash equivalents	(9,262,000)	(101,685,000)	198,801,000
Cash and cash equivalents at beginning of period	110,500,000	212,185,000	13,384,000
Cash and cash equivalents at end of period	101,238,000	110,500,000	212,185,000
Supplemental disclosure of cash flow information:
Cash paid for taxes	124,000	107,000	63,000
Cash paid for interest	396,000	646,000	398,000
Non-cash operating activities:
Lease liability obtained in exchange for right-of-use asset		7,046,000	2,392,000
Non-cash investing and financing activities:
Property and equipment and capitalized software costs in accounts payable and accrued liabilities		357,000	393,000
Stock-based compensation included in capitalized software costs	0	878,000	203,000
Convertible preferred stock issuance costs included in accounts payable		$ 600,000	600,000
Common stock issued on conversion of convertible preferred stock upon initial public offering			223,125,000
Common stock issued upon conversion of convertible notes	$ 150,978,000
Conversion of convertible preferred stock warrants to common stock warrants and related reclassification of convertible preferred stock warrant liability to additional paid in capital			1,931,000
Offering costs in accounts payable and accrued liabilities			40,000
Series E Convertible Preferred Stock | Convertible Preferred Stock
Non-cash investing and financing activities:
Issuance of Series E convertible preferred stock upon extinguishment of convertible notes			$ 12,818,000