Clearfield, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Note 15 - Leases (Details Textual)

v3.25.0.1

Note 15 - Leases (Details Textual)			1 Months Ended	3 Months Ended		12 Months Ended
Note 15 - Leases (Details Textual)	Apr. 01, 2024 EUR (€)	May 01, 2023 EUR (€)	Apr. 30, 2024 USD ($) ft²	Dec. 31, 2024 USD ($) a	Dec. 31, 2023 USD ($)	Sep. 30, 2024 EUR (€) ft²	May 11, 2023 ft²	Nov. 19, 2021 ft²	Jan. 01, 2015 ft²
Operating Lease, Weighted Average Remaining Lease Term				5 years 9 months 25 days	4 years 11 months 8 days
Operating Lease, Weighted Average Discount Rate, Percent				6.48%	3.79%
Operating Lease, Payments \| $				$ 1,679,000	$ 1,042,000
Tabasalu, Estonia [Member]
Area of Real Estate Property				115,000			49,000
Lessee, Operating Lease, Term of Contract							10 years
Operating Lease, Monthly Payment \| €	€ 25,000	€ 20,400
Tabasalu, Estonia [Member] \| Minimum [Member]
Operating Lease, Payments, Annual Increase, Percentage		5.00%
7050 Winnetka Avenue North, Brooklyn Park, Minnesota [Member]
Area of Real Estate Property									85,000
Lessee, Operating Lease, Term of Contract									13 years
Tijuana, Mexico 3 [Member]
Area of Real Estate Property			318,000
Lessee, Operating Lease, Term of Contract			7 years
Lessee, Operating Lease, Renewal Term			5 years
Operating Lease, Monthly Payment \| $			$ 169,000
Operating Lease, Payments, Annual Increase, Percentage			2.00%
Tijuana, Mexico 3 [Member] \| Lease Mandatory Contractual Term [Member]
Lessee, Operating Lease, Term of Contract			5 years
Brooklyn Part, MN [Member]
Area of Real Estate Property								105,000
Lessee, Operating Lease, Term of Contract								5 years
Lessee, Operating Lease, Renewal Term								5 years
Oulu, Finland [Member]
Area of Real Estate Property						25,000
Operating Lease, Monthly Payment \| €						€ 40,000

- Definition

Amount of monthly cash outflow for operating lease payments.

+ References

No definition available.

+ Details

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Namespace Prefix:	clfd_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Annual percentage increase in operating lease payments.

+ References

No definition available.

+ Details

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Namespace Prefix:	clfd_
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- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant

- Definition

Term of lessee's operating lease renewal, 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 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-3

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- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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Namespace Prefix:	us-gaap_
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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
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- Definition

Weighted average discount rate for operating lease calculated at point in time.

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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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