Note 1 - Background and Basis of Presentation (Details Textual) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2025 USD ($) $ / shares	Jun. 30, 2025 USD ($) $ / shares	Dec. 31, 2024 $ / shares
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares	$ 0.01	$ 0.01	$ 0.01
DNOW Inc. [Member]
Business Combination, Termination Fee		$ 45.5
Business Combination, Termination, Transaction Reimbursement		8.5
Business Combination, Acquisition-Related Cost, Expense	$ 6.0	$ 7.0
DNOW Common Stock [Member] \| DNOW Inc. [Member]
Business Combination, Share Conversion Ratio	0.9489	0.9489
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares	$ 0.01	$ 0.01

The share conversion ratio.

No definition available.

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- Definition

The termination fee that must be paid if either business withdraws from the merger.

+ References

No definition available.

+ Details

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- Definition

The amount that either party must be reimbursed for transaction expenses if either party withdraws from the merger.

+ References

No definition available.

+ Details

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- Definition

Amount of expense for acquisition-related cost incurred to effect business combination. Includes, but is not limited to, finder's fee; advisory, legal, accounting, valuation, and other professional and consulting fees; and general administrative cost, including cost of maintaining internal acquisition department.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-7

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 25
-Paragraph 23
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479405/805-10-25-23

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- Definition

Face amount or stated value per share of common stock.

+ References

Reference 1: 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

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- Details

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