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

Quarterly report pursuant to Section 13 or 15(d)

Note 15 - Leases (Details Textual)

Note 15 - Leases (Details Textual)			1 Months Ended	3 Months Ended		9 Months Ended
Note 15 - Leases (Details Textual)	Apr. 01, 2024 EUR (€)	May 01, 2023 EUR (€)	Apr. 30, 2024 USD ($) ft²	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($) ft²	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($) ft²	Jun. 30, 2023 EUR (€) ft²	May 11, 2023 ft²	Nov. 19, 2021 ft²	Jan. 01, 2015 ft²
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability						$ 4,614,000	$ 3,776,000
Operating Lease, Weighted Average Remaining Lease Term				5 years 4 months 6 days	5 years 1 month 6 days	5 years 4 months 6 days	5 years 1 month 6 days	5 years 1 month 6 days
Operating Lease, Weighted Average Discount Rate, Percent				6.61%	3.58%	6.61%	3.58%	3.58%
Operating Lease, Payments				$ 1,058,000	$ 1,012,000	$ 3,150,000	$ 2,910,000
Tabasalu, Estonia [Member]
Area of Real Estate Property \| ft²									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 \| ft²											85,000
Lessee, Operating Lease, Term of Contract											10 years 2 months 1 day
Lessee, Operating Lease, Renewal Term			3 years
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability			$ 1,337,000
Tijuana, Mexico 3 [Member]
Area of Real Estate Property \| ft²			318,000
Lessee, Operating Lease, Term of Contract			7 years
Lessee, Operating Lease, Renewal Term			5 years
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability			$ 8,637,000
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
Tijuana, Mexico 3 [Member] \| Termination of Lease [Member]
Increase (Decrease) in Operating Lease Liability			$ (5,610,000)
Brooklyn Part, MN [Member]
Area of Real Estate Property \| ft²										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 \| ft²					25,000		25,000	25,000
Operating Lease, Monthly Payment \| €								€ 40,000