Clearfield, Inc. Annual report pursuant to Section 13 and 15(d)

Note 4 - Fair Value Measurements - Fair Value Measurements (Details)

Note 4 - Fair Value Measurements - Fair Value Measurements (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
cash equivalents	$ 10,378	$ 26,467
Investment securities:	139,330	136,629
Fair Value, Inputs, Level 1 [Member]
cash equivalents	10,378	26,467
Investment securities:	0	0
Fair Value, Inputs, Level 2 [Member]
cash equivalents	0	0
Investment securities:	139,330	136,629
Fair Value, Inputs, Level 3 [Member]
cash equivalents	0	0
Investment securities:	0	0
Money Market Funds [Member]
cash equivalents	10,378	26,467
Money Market Funds [Member] \| Fair Value, Inputs, Level 1 [Member]
cash equivalents	10,378	26,467
Money Market Funds [Member] \| Fair Value, Inputs, Level 2 [Member]
cash equivalents	0	0
Money Market Funds [Member] \| Fair Value, Inputs, Level 3 [Member]
cash equivalents	0	0
Certificates of Deposit [Member]
Investment securities:	738	8,115
Certificates of Deposit [Member] \| Fair Value, Inputs, Level 1 [Member]
Investment securities:	0	0
Certificates of Deposit [Member] \| Fair Value, Inputs, Level 2 [Member]
Investment securities:	738	8,115
Certificates of Deposit [Member] \| Fair Value, Inputs, Level 3 [Member]
Investment securities:	0	0
US Treasury Securities [Member]
Investment securities:	138,592	128,514
US Treasury Securities [Member] \| Fair Value, Inputs, Level 1 [Member]
Investment securities:	0	0
US Treasury Securities [Member] \| Fair Value, Inputs, Level 2 [Member]
Investment securities:	138,592	128,514
US Treasury Securities [Member] \| Fair Value, Inputs, Level 3 [Member]
Investment securities:	$ 0	$ 0

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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+ Details