XML 67 R54.htm IDEA: XBRL DOCUMENT
v3.25.1

Warrants - Narrative (Details) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 01, 2024 shares | Jun. 26, 2024 USD ($) shares | Mar. 31, 2025 USD ($) day $ / shares shares | Feb. 18, 2025 USD ($) $ / shares shares | Dec. 31, 2024 USD ($) shares | May 24, 2024 shares | Apr. 30, 2024 USD ($) $ / shares shares | Dec. 31, 2023 shares | Aug. 10, 2023 USD ($) $ / shares shares
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Warrants outstanding (in shares) |  |  | 7,402,541 |  | 7,311,278 |  |  |  | 14,266,605
Exercise price of warrants (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 11.50
Class of warrant or right, threshold number of days for warrants to be transferable |  |  | 30 days |  |  |  |  |  |
Warrant and SEPA liabilities | $ |  |  | $ 9,459 |  | $ 8,316 |  |  |  | $ 28,900
Issuance costs | $ |  | $ 1,700 |  |  |  |  |  |  |
Common stock |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Common stock exchange for warrants (in shares) | 2,110,366 |  |  |  |  |  |  |  |
Public Warrants |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Warrants outstanding (in shares) |  |  | 1,751,825 |  | 1,751,825 |  |  |  | 8,333,272
Class of warrant or right, number of securities called by each warrant or right (in shares) |  |  |  |  |  | 0.27 |  |  | 1
Exercise price of warrants (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 11.50
Warrants, term |  |  | 5 years |  |  |  |  |  |
Class of warrant or right, redemption price (in dollars per share) | $ / shares |  |  | $ 0.01 |  |  |  |  |  |
Warrant redemption condition, share price (in dollars per share) | $ / shares |  |  | $ 18.00 |  |  |  |  |  |
Class of warrant or right, conversion terms, threshold trading days | day |  |  | 20 |  |  |  |  |  |
Class of warrant or right, conversion terms, threshold consecutive trading days | day |  |  | 30 |  |  |  |  |  |
Warrant and SEPA liabilities | $ |  |  | $ 2,100 |  | $ 1,900 |  |  |  | $ 1,500
Number of warrants exchanged (in shares) |  |  |  |  |  | 6,529,954 |  |  |
Warrant holder support for Warrant Agreement |  | 0.788 |  |  |  |  |  |  |
Public Warrants | Minimum |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Threshold number of business days before sending notice of redemption to warrant holders | day |  |  | 30 |  |  |  |  |  |
Private Placement Warrants |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Warrants outstanding (in shares) |  |  | 4,428,648 |  | 4,428,648 |  |  | 4,933,333 | 4,933,333
Warrant and SEPA liabilities | $ |  |  | $ 5,400 |  | $ 4,900 |  |  |  | $ 900
Number of warrants exchanged (in shares) |  |  |  |  |  | 504,685 |  |  |
Warrant holder support for Warrant Agreement |  | 0.102 |  |  |  |  |  |  |
Working Capital Warrants |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Warrants outstanding (in shares) |  |  | 1,000,000 |  | 1,000,000 |  |  | 1,000,000 | 1,000,000
Warrant and SEPA liabilities | $ |  |  | $ 1,200 |  | $ 1,100 |  |  |  | $ 200
Number of warrants exchanged (in shares) |  | 0 |  |  |  |  |  |  |
Public Warrants, Private Placement Warrants And Working Capital Warrants |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Class of warrant or right, number of securities called by each warrant or right (in shares) |  |  |  |  |  | 0.30 |  |  |
Outstanding warrant liabilities | $ |  | $ 11,900 |  |  |  |  |  |  |
Initial OrbiMed Warrant |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Exercise price of warrants (in dollars per share) | $ / shares |  |  | $ 9.3722 |  |  |  | $ 9.5562 |  |
Warrants to purchase common stock (in shares) |  |  |  |  |  |  | 130,805 |  |
Outstanding warrant liabilities | $ |  |  | $ 1,230 |  |  |  | $ 1,250 |  |
OrbiMed Warrants liability |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Warrants outstanding (in shares) |  |  | 222,068 |  | 130,805 |  |  |  |
Warrants, term |  |  |  |  |  |  | 7 years |  |
Warrants issued, delayed draw commitment amount, percentage |  |  |  |  |  |  | 0.050 |  |
Purchase agreement, ownership limitation |  |  |  |  |  |  | 0.0999 |  |
Subsequent OrbiMed Warrants, Entity One |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Warrants to purchase common stock (in shares) |  |  |  | 64,748 |  |  |  |  |
Subsequent OrbiMed Warrants, Entity Two |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Warrants to purchase common stock (in shares) |  |  |  | 26,515 |  |  |  |  |
Subsequent OrbiMed Warrants |  |  |  |  |  |  |  |  |
Class of Warrant or Right [Line Items] |  |  |  |  |  |  |  |  |
Exercise price of warrants (in dollars per share) | $ / shares |  |  |  | $ 5.4787 |  |  |  |  |
Outstanding warrant liabilities | $ |  |  |  | $ 500 |  |  |  |  |

X
- Definition Class Of Warrant Or Right, Conversion Days Notice + References No definition available. + Details
Name: | tlsi_ClassOfWarrantOrRightConversionDaysNotice
Namespace Prefix: | tlsi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class Of Warrant Or Right, Conversion Stock Price Threshold + References No definition available. + Details
Name: | tlsi_ClassOfWarrantOrRightConversionStockPriceThreshold
Namespace Prefix: | tlsi_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of Warrant or Right, Conversion Terms, Threshold Consecutive Trading Days + References No definition available. + Details
Name: | tlsi_ClassOfWarrantOrRightConversionTermsThresholdConsecutiveTradingDays
Namespace Prefix: | tlsi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class Of Warrant Or Right, Conversion Terms, Threshold Trading Days + References No definition available. + Details
Name: | tlsi_ClassOfWarrantOrRightConversionTermsThresholdTradingDays
Namespace Prefix: | tlsi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class Of Warrant Or Right, Ownership Limitation + References No definition available. + Details
Name: | tlsi_ClassOfWarrantOrRightOwnershipLimitation
Namespace Prefix: | tlsi_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Class Of Warrant Or Right, Percentage of Warrants, Tender Agreement + References No definition available. + Details
Name: | tlsi_ClassOfWarrantOrRightPercentageOfWarrantsTenderAgreement
Namespace Prefix: | tlsi_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Class of Warrant or Right, Redemption Price + References No definition available. + Details
Name: | tlsi_ClassOfWarrantOrRightRedemptionPrice
Namespace Prefix: | tlsi_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class of Warrant or Right, Threshold Number of Days for Warrants to be Transferable + References No definition available. + Details
Name: | tlsi_ClassOfWarrantOrRightThresholdNumberOfDaysForWarrantsToBeTransferable
Namespace Prefix: | tlsi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Class Of Warrant Or Right, Warrants Exchanged + References No definition available. + Details
Name: | tlsi_ClassOfWarrantOrRightWarrantsExchanged
Namespace Prefix: | tlsi_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Class Of Warrant Or Right, Warrants Issued, Delayed Draw Commitment Amount, Percentage + References No definition available. + Details
Name: | tlsi_ClassOfWarrantOrRightWarrantsIssuedDelayedDrawCommitmentAmountPercentage
Namespace Prefix: | tlsi_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 + Details
Name: | us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

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_ClassOfWarrantOrRightLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References No definition available. + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3 + Details
Name: | us-gaap_DerivativeLiabilitiesNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of shares issued during the period as a result of the conversion of convertible securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -SubTopic 10 -Topic 505 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1E -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1E Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_WarrantsAndRightsOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_WarrantsAndRightsOutstandingTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=tlsi_PublicWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=tlsi_PrivateWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=tlsi_WorkingCapitalWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=tlsi_PublicWarrantsPrivatePlacementWarrantsAndWorkingCapitalWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=tlsi_InitialOrbiMedWarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=tlsi_OrbiMedWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=tlsi_SubsequentOrbiMedWarrantsEntityOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=tlsi_SubsequentOrbiMedWarrantsEntityTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=tlsi_SubsequentOrbiMedWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |