Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Operating activities
Net loss	$ (54,771,000)	$ (76,498,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	5,464,000	2,445,000
Stock-based compensation	30,467,000	55,259,000
Change in fair value of liabilities	(1,012,000)	(13,610,000)
Warrant expense in connection with Merger	0	154,000
Amortization of debt issuance costs	0	144,000
Net amortization on securities	986,000	1,732,000
Benefit for deferred taxes	(380,000)	(3,178,000)
Impairment of long-lived assets, excluding goodwill	1,127,000	0
Non-cash operating lease cost	1,156,000	1,133,000
Non-cash other	(198,000)	871,000
Changes in operating assets and liabilities:
Inventory	(8,789,000)	(6,928,000)
Prepaid expenses and other current assets	(3,644,000)	2,635,000
Other long-term assets	7,000	(58,000)
Accounts payable	13,332,000	6,306,000
Accrued liabilities	5,520,000	(794,000)
Deferred revenue	(1,064,000)	217,000
Operating lease liabilities	(1,165,000)	(1,137,000)
Earn-out payable	(6,848,000)	0
Net cash used in operating activities	(19,812,000)	(31,307,000)
Investing activities
Purchases of investments	(136,816,000)	(219,361,000)
Maturities of investments	134,759,000	99,375,000
Proceeds from sales of investments	35,846,000	3,465,000
Investment in website and mobile application development and internal-use software	(3,320,000)	(3,242,000)
Purchases of property, equipment, and intangible assets	(1,314,000)	(279,000)
Deferred consideration paid for acquisitions	(459,000)	0
Acquisition of businesses, net of cash acquired	0	(46,468,000)
Net cash provided by (used in) investing activities	28,696,000	(166,510,000)
Financing activities
Pre-closing stock repurchase	0	(22,027,000)
Proceeds from issuance of common stock upon Merger	0	197,686,000
Proceeds from PIPE	0	75,000,000
Payments for transaction costs related to securities issuances	0	(12,851,000)
Proceeds from repayment of promissory notes associated with vested and unvested shares	0	1,193,000
Proceeds from exercise of Class A common stock warrants	0	787,000
Proceeds from exercise of vested and unvested stock options, net of repurchases and cancelations	2,157,000	567,000
Payments for taxes related to net share settlement of equity awards	(2,364,000)	(5,234,000)
Payments for earn-out consideration for acquisitions	(23,014,000)	0
Proceeds from employee stock purchase plan	553,000	0
Net cash (used in) provided by financing activities	(22,668,000)	235,121,000
Foreign currency effect on cash and cash equivalents	(36,000)	(26,000)
(Decrease) increase in cash, cash equivalents, and restricted cash	(13,820,000)	37,278,000
Cash, cash equivalents, and restricted cash at beginning of period	72,640,000	28,350,000
Cash, cash equivalents, and restricted cash at end of period	58,820,000	65,628,000
Reconciliation of cash, cash equivalents, and restricted cash
Cash and cash equivalents	57,964,000	64,772,000
Restricted cash	856,000	856,000
Total cash, cash equivalents, and restricted cash	58,820,000	65,628,000
Supplemental disclosures of cash flow information
Cash paid for taxes	588,000	279,000
Non-cash investing and financing activities
Recapitalization from redeemable convertible preferred stock pre-closing stock repurchase	0	125,000
Conversion of redeemable convertible preferred stock to common stock	0	249,837,000
Assumption of Merger warrants liability	0	51,814,000
Redemption/exercise of Class A common stock warrants	0	37,834,000
Conversion of Series D preferred stock warrants to Class A common warrants	0	1,160,000
Right-of-use asset obtained in exchange for lease liability	1,206,000	6,756,000
Vesting of early exercised stock options	113,000	147,000
Common stock issued, contingent consideration, and payables for acquisition of businesses	$ 0	$ 99,958,000