XML 56 R45.htm IDEA: XBRL DOCUMENT
v3.26.1

Net Loss Per Share - Schedule of Antidilutive Securities Excluded from Computation of EPS (Details) - shares | 3 Months Ended
--- | ---
Mar. 31, 2026 | Mar. 31, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Anti-dilutive common stock awards not included in earnings per share calculation (in shares) | 2,032,138 | 1,214,770
Shares subject to outstanding common stock options and employee stock purchase plan |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Anti-dilutive common stock awards not included in earnings per share calculation (in shares) | 209,762 | 174,484
Restricted stock units |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Anti-dilutive common stock awards not included in earnings per share calculation (in shares) | 784,151 | 720,180
Conversion option of the Notes | 2026 Notes |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Anti-dilutive common stock awards not included in earnings per share calculation (in shares) | 17,835 | 320,106
Fair Value Earnout |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Anti-dilutive common stock awards not included in earnings per share calculation (in shares) | 1,020,390 | 0

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482662/260-10-50-1 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=lpsn_SharesSubjectToOutstandingCommonStockOptionsAndEmployeeStockPurchasePlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=us-gaap_ConvertibleDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=lpsn_ConvertibleSeniorNotesDue2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis=lpsn_FairValueEarnoutMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |