CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net loss	$ (79,672)	$ (62,742)	$ (22,370)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,357	1,973	379
Amortization of debt issuance costs	0	175	0
Stock-based compensation	12,116	27,405	2,977
Remeasurement of warrant liabilities	(3,131)	(31,784)	0
Impairment of goodwill	6,134	0	0
(Increase) decrease in accounts receivable	(4,126)	402	(5,017)
Decrease (increase) in other current assets	5,080	(8,053)	(695)
(Decrease) increase in accounts payable	(968)	503	2,561
(Decrease) increase in deferred revenues	(2,831)	2,014	2,028
Increase in accrued expenses and other current liabilities	4,862	4,396	4,962
Increase in other liabilities	102	0	0
Net cash used in operating activities	(61,077)	(65,711)	(15,175)
Cash flows from investing activities:
Purchase of property and equipment	(350)	(663)	(126)
Proceeds from sale of property and equipment	33	0	0
Acquisition of business	0	0	(10,685)
Purchase of an intangible asset	0	0	(939)
Proceeds from restricted long-term bank deposit	0	0	447
Net cash used in investing activities	(317)	(663)	(11,303)
Cash flows from financing activities:
(Payments) proceeds from reverse capitalization, net of transaction costs	(645)	249,334	0
Proceeds from exercise of stock options	3,181	2,098	94
Payments for employee taxes withheld related to vested stock-based awards	(853)	0	0
Proceeds from borrowings	0	6,000	0
Repayment of borrowings	0	(6,000)	0
Payment of debt issuance costs	0	(50)	0
Net cash provided by financing activities	1,683	251,382	94
Net (decrease) increase in cash and cash equivalents	(59,711)	185,008	(26,384)
Cash and cash equivalents at the beginning of the year	198,256	13,248	39,632
Cash and cash equivalents at the end of the year	138,545	198,256	13,248
Supplemental cash flow data:
Cash paid during the year for interest	68	538	37
Cash paid during the year for income taxes	122	0	0
Non-cash investing activity:
Lease liabilities arising from obtaining right-of-use assets	466	0	0
Non-cash financing activity:
Employee taxes withheld related to restricted stock units vested	0	491	0
Deferred issuance cost on credit	0	0	692
Conversion of preferred stock to common stock	$ 0	$ 111,282	$ 0