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

Note 11 - Goodwill and Intangibles - Finite Lived Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Sep. 30, 2023
Gross carrying amount	$ 11,484	$ 10,860
Accumulated amortization	5,265	4,768
Net carrying amount	6,219	6,092
Customer Relationships [Member]
Gross carrying amount	4,845	4,894
Accumulated amortization	1,715	1,582
Net carrying amount	3,130	3,312
Certification Marks [Member]
Gross carrying amount	584	584
Accumulated amortization	334	267
Net carrying amount	250	317
Trademarks [Member]
Gross carrying amount	1,290	1,333
Accumulated amortization	682	700
Net carrying amount	608	633
Patents [Member]
Gross carrying amount	1,172	1,119
Accumulated amortization	192	165
Net carrying amount	980	954
Developed Technology Rights [Member]
Gross carrying amount	295	311
Accumulated amortization	0	22
Net carrying amount	295	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	3,292	2,613
Accumulated amortization	2,336	2,026
Net carrying amount	$ 956	$ 587