XML 47 R34.htm IDEA: XBRL DOCUMENT
v3.25.2

Note 5 - Stockholders' Equity and Dilutive Equity Instruments - Dilutive Equity Instruments (Details) (Parentheticals) - $ / shares | Jun. 30, 2025 | Jun. 30, 2024
--- | --- | ---
New Creditor Warrants [Member] |  |
Strike price per common share (in dollars per share) | $ 0.001 | $ 0.001
GulfMark Creditor Warrants [Member] |  |
Strike price per common share (in dollars per share) | $ 0.01 | $ 0.01

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 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 3: 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
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=tdw_NewCreditorWarrantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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