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v3.23.1

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOW - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Cash flows from operating activities: |  |
Net loss | $ (29,361) | $ (23,050)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 726 | 811
Amortization and premium of marketable securities, net | (1,256) | 772
Gain on fair value remeasurement of contingent consideration | 0 | (536)
Stock-based compensation expense | 4,340 | 3,153
Changes in operating assets and liabilities: |  |
Accounts and other receivables | (967) | (71)
Prepaid and other current assets | 2,722 | (7,148)
Accounts payable and accrued expenses | (3,448) | (2,738)
Other liabilities | (1,325) | 4,273
Net cash used in operating activities | (28,569) | (24,534)
Cash flows from investing activities: |  |
Sales and maturities of marketable securities | 127,000 | 27,845
Purchases of marketable securities | (73,846) | (16,890)
Acquisition of property and equipment | (585) | (575)
Net cash provided by investing activities | 52,569 | 10,380
Cash flows from financing activities: |  |
Proceeds from issuance of stock from employee benefit plans | 694 | 304
Net cash provided by financing activities | 694 | 304
Net increase (decrease) in cash and cash equivalents | 24,694 | (13,850)
Cash and cash equivalents at beginning of period | 29,429 | 39,143
Cash and cash equivalents at end of period | 54,123 | 25,293
Non-cash investing activities |  |
Accrued construction in progress | $ 134 | $ 53

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- Definition The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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- Definition Amount of increase (decrease) in the value of right to a contingent consideration asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e7008-128479 + Details
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