Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash flows from operating activities
Net income	$ 8,733	$ 6,804
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation	2,108	931
Amortization of deferred financing costs	108	142
Amortization of right-of-use assets	537	0
Share based compensation expense	20,939	1,959
Provision for doubtful accounts	(22)	15
Loss on extinguishment of debt	0	648
Loss on change in fair value of warrant liabilities	0	3,317
Changes in:
Accounts receivable	10,898	9,550
Inventories	8,924	3,242
Prepaid expenses, deposits and other assets	4,525	2,945
Accounts payable	2,042	984
Payroll-related accruals, accrued expenses and other liabilities	12,919	4,473
Lease prepayments for lessor's owned leasehold improvements	(11,964)	0
Operating lease liabilities	(574)	0
Net cash provided by operating activities	10,479	3,536
Cash flows from investing activities
Purchases of property and equipment	(10,927)	(3,076)
Purchases of marketable security investments	(105,438)	0
Maturities of marketable security investments	68,000	0
Net cash used in investing activities	(48,365)	(3,076)
Cash flows from financing activities
Proceeds from issuance of common stock under employee stock purchase plan	5,558	0
Proceeds from exercise of stock options	732	227
Payment of taxes related to vested restricted stock units	1,597	0
Proceeds from issuance of common stock upon initial public offering, net of issuance costs paid	0	164,361
Proceeds from notes payable	0	10,000
Repayments of notes payable		30,250
Debt financing costs	0	(453)
Proceeds from exercise of warrants	0	4
Net cash provided by financing activities	4,693	143,889
Effect of foreign exchange rate on cash and cash equivalents	(266)	0
Net (decrease) increase in cash	(33,459)	144,349
Cash, cash equivalents and restricted cash beginning of period	114,617	168,376
Cash, cash equivalents and restricted cash end of period	81,158	24,027
Supplemental disclosures of cash flow information:
Cash paid for income taxes	271	82
Cash paid for interest	113	966
Noncash investing and financing:
Lease liabilities arising from obtaining new right-of-use assets	28,648	0
Common stock issued on conversion of convertible preferred stock	0	54,170
Common stock warrants issued on conversion of preferred stock warrants and the reclassification of the warrant liability	0	4,486
Deferred initial public offering cost recorded to additional paid in capital	$ 0	$ 1,382