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)

v3.23.1

Note 15 - Leases (Details Textual)		3 Months Ended		6 Months Ended
Note 15 - Leases (Details Textual)	Jul. 31, 2021 USD ($) ft²	Mar. 31, 2023 USD ($) ft²	Mar. 31, 2022 USD ($)	Mar. 31, 2023 USD ($) ft²	Mar. 31, 2022 USD ($)	Nov. 19, 2021 ft²	Jan. 01, 2015
Operating Lease, Weighted Average Remaining Lease Term		3 years 9 months 14 days	4 years 8 months 15 days	3 years 9 months 14 days	4 years 8 months 15 days
Operating Lease, Weighted Average Discount Rate, Percent		3.23%	3.05%	3.23%	3.05%
Operating Lease, Payments \| $		$ 950,000	$ 238,000	$ 1,907,000	$ 550,000
7050 Winnetka Avenue North, Brooklyn Park, Minnesota [Member]
Area of Real Estate Property		85,000		85,000
Lessee, Operating Lease, Term of Contract (Year)							10 years 2 months 1 day
Tijuana, Mexico 3 [Member]
Area of Real Estate Property	318,000
Lessee, Operating Lease, Number of Options to Renew	2
Operating Lease, Monthly Payment \| $	$ 162,000
Operating Lease, Payments, Annual Increase, Percentage	2.00%
Brooklyn Part, MN [Member]
Area of Real Estate Property						105,000
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract (Year)						5 years
Lessee, Operating Lease, Lease Not yet Commenced, Renewal Term (Year)						5 years
Oulu, Finland [Member]
Area of Real Estate Property		25,000		25,000
Operating Lease, Monthly Payment \| $				$ 40,000

- Definition

Represents the number of options to renew an operating lease.

+ References

No definition available.

+ Details

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Namespace Prefix:	clfd_
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Balance Type:	na
Period Type:	instant

- 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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- Definition

Term of lessee's operating lease renewal for lease not yet commenced, 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 (b)
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- Definition

Term of lessee's operating lease not yet commenced, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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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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- Definition

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

+ References

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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.

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