XML 182 R162.htm IDEA: XBRL DOCUMENT
v3.23.3

Convertible Preferred Stock, Warrant Exercises (Details) - USD ($) $ in Thousands | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 31, 2021 | Mar. 31, 2021 | Nov. 30, 2020 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2021
Convertible Preferred Stock |  |  |  |  |  |
Proceeds from exercise of Series B preferred stock warrants |  |  |  | $ 9,630 | $ 0 | $ 117
Series A-6 preferred stock |  |  |  |  |  |
Convertible Preferred Stock |  |  |  |  |  |
Proceeds from exercise of Series B preferred stock warrants |  |  | $ 19 |  |  |
Warrants to purchase Series B-3 preferred stock (in shares) |  |  | 59,102 |  |  |
Series B preferred stock |  |  |  |  |  |
Convertible Preferred Stock |  |  |  |  |  |
Proceeds from exercise of Series B preferred stock warrants | $ 117 | $ 117 |  |  |  |
Warrants to purchase Series B-3 preferred stock (in shares) | 289,552 | 289,552 |  |  |  |

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 The cash inflow associated with the amount received from holders exercising their stock warrants. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 14 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-14 + Details
Name: | us-gaap_ProceedsFromWarrantExercises
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_TemporaryEquityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=tlsi_SeriesA6ConvertiblePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=tlsi_SeriesBConvertiblePreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |