Clearfield, Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Note 3 - Investments - Available-for-sale Investments (Details)

v3.25.3

Note 3 - Investments - Available-for-sale Investments (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Sep. 30, 2024
Fair value	$ 144,306	$ 139,330
Short-term US Treasury Securities [Member]
Amortized cost	84,192	113,987
Unrealized gains	119	382
Unrealized losses	(70)	(45)
Fair value	84,241	114,324
Short-term Certificates of Deposit [Member]
Amortized cost	248	500
Unrealized gains	0	1
Unrealized losses	(5)	0
Fair value	243	501
Short-term Investment [Member]
Amortized cost	84,440	114,487
Unrealized gains	119	383
Unrealized losses	(75)	(45)
Fair value	84,484	114,825
US Treasury Securities [Member]
Amortized cost		24,514
Unrealized gains		0
Unrealized losses		(245)
Fair value		24,269
Long-term Certificates of Deposit [Member]
Amortized cost		248
Unrealized gains		0
Unrealized losses		(12)
Fair value		236
Long-term Investment [Member]
Amortized cost	59,794	24,762
Unrealized gains	62	0
Unrealized losses	(34)	(257)
Fair value	59,822	$ 24,505
Long-term US Treasury Securities [Member]
Amortized cost	59,794
Unrealized gains	62
Unrealized losses	(34)
Fair value	$ 59,822

- Definition

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on 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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