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v3.23.1

CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Cash flows from operating activities: |  |
Net loss | $ (20,724) | $ (24,528)
Adjustments to reconcile net loss to net cash used in operations: |  |
Stock-based compensation | 1,683 | 1,513
Depreciation | 1,014 | 472
Non-cash operating lease expense | 85 | 65
Net amortization (accretion) of investments | (213) | 981
Changes in operating assets and liabilities: |  |
Prepaid expenses and other current assets | 1,462 | 3,699
Other assets | 30 | 25
Accounts payable | (2,197) | (7,738)
Accrued expenses and other current liabilities | (7,356) | (601)
Non-current operating lease liabilities | (188) | (165)
Deferred revenue | (57) | 0
Net cash used in operating activities | (26,461) | (26,277)
Cash flows from investing activities: |  |
Purchases of property and equipment | (75) | (2,488)
Net change in investments | 45,200 | (12,894)
Net cash provided by (used in) investing activities | 45,125 | (15,382)
Cash flows from financing activities: |  |
Proceeds from the exercises of stock options and purchases pursuant to employee stock purchase plan | 39 | 134
Taxes paid related to net share settlement of equity awards | (39) | 0
Net cash provided by financing activities | 0 | 134
Net increase (decrease) in cash and cash equivalents | 18,664 | (41,525)
Cash and cash equivalents, beginning of period | 47,379 | 92,268
Cash and cash equivalents, end of period | 66,043 | 50,743
Supplemental disclosures of non-cash financial activities: |  |
Operating lease liabilities recognized for operating right-of-use assets | 0 | 5,447
Operating right-of-use assets exchanged for operating lease liabilities | 0 | 2,945
Deferred revenue billed but not received | 500 | 0
Unpaid amounts related to purchases of property and equipment | $ 155 | $ 319

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- Definition Amount of amortization expense for right-of-use asset from operating lease. + 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 (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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- Definition Amount of cash outflow (inflow) through acquisition (sale) of short-term available-for-sale securities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3098-108585 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 + Details
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- Definition Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3213-108585 + Details
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- Definition Amount of cash inflow from issuance of shares under share-based payment arrangement. Includes, but is not limited to, option exercised. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=128089324&loc=SL79508275-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(2) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 + Details
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- Definition Amount of noncash expense for share-based payment arrangement. + 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 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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