Consolidated Statements Of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Cash flows from operating activities:      
Net loss $ 62,742 $ 22,370 $ 29,086
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation and amortization 1,973 379 59
Amortization of debt issuance costs 175 0 0
Warrant issuance cost and change in fair value (31,784) 0 0
Stock-based compensation 27,405 2,977 3,404
Decrease (increase) in accounts receivable 402 (5,017) (840)
Increase in other current assets (8,053) (695) (216)
Increase in accounts payable 503 2,561 3,277
Increase in deferred revenues 2,014 2,028 1,193
Increase in accrued expenses and other current liabilities 4,396 4,962 1,017
Net cash used in operating activities (65,711) (15,175) (21,192)
Cash flows from investing activities:      
Purchase of property and equipment (663) (126) (138)
Acquisition of business 0 (10,685) 0
Purchase of an intangible asset 0 (939) 0
Proceeds from restricted long-term bank deposit 0 447 0
Net cash used in investing activities (663) (11,303) (138)
Cash flows from financing activities:      
Proceeds from reverse capitalization, net of transaction costs 249,334 0 0
Proceeds from issuance of convertible preferred stock, net 0 0 51,204
Proceeds from borrowings 6,000 0 0
Repayment of borrowings (6,000) 0 0
Payment of debt issuance costs (50) 0 0
Proceeds from exercise of stock options 2,098 94 297
Net cash provided by financing activities 251,382 94 51,501
Net increase (decrease) in cash and cash equivalents 185,008 (26,384) 30,171
Cash and cash equivalents at the beginning of the year 13,248 39,632 9,461
Cash and cash equivalents at the end of the year 198,256 13,248 39,632
Supplemental cash flow data:      
Cash paid during the year for interest 538 37 45
Non-cash financing activity:      
Employee taxes withheld related to restricted stock units vested 491 0 0
Deferred issuance cost on credit 0 692 0
Conversion of preferred stock to common stock $ 111,282 $ 0 $ 0