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

Note 11 - Goodwill and Intangibles - Finite Lived Intangible Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Sep. 30, 2023
Gross carrying amount	$ 12,088	$ 10,860
Accumulated amortization	5,689	4,768
Net carrying amount	6,399	6,092
Customer Relationships [Member]
Gross carrying amount	4,837	4,894
Accumulated amortization	1,816	1,582
Net carrying amount	3,021	3,312
Certification Marks [Member]
Gross carrying amount	584	584
Accumulated amortization	367	267
Net carrying amount	217	317
Trademarks [Member]
Gross carrying amount	1,286	1,333
Accumulated amortization	700	700
Net carrying amount	586	633
Patents [Member]
Gross carrying amount	1,172	1,119
Accumulated amortization	205	165
Net carrying amount	967	954
Developed Technology Rights [Member]
Gross carrying amount	293	311
Accumulated amortization	1	22
Net carrying amount	292	289
Other Intangible Assets [Member]
Gross carrying amount	6	6
Accumulated amortization	6	6
Net carrying amount	0	0
Computer Software, Intangible Asset [Member]
Gross carrying amount	3,910	2,613
Accumulated amortization	2,594	2,026
Net carrying amount	$ 1,316	$ 587