Note 3 - Income Taxes (Tables)

12 Months Ended

Sep. 30, 2021

Notes Tables

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

	2021		2020
Current:
Federal	$	5,420,000	$	(420,000	)
State		2,835,000		15,000
		8,255,000		(405,000	)
Deferred:
Federal		24,385,000		808,000
State		7,510,000		(218,000	)
		31,895,000		590,000
	$	40,150,000	$	185,000

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	2021			2020
Statutory federal income tax rate		21.0	%		21.0	%
State franchise taxes (net of federal tax benefit)		5.2			5.6
Effect of state rate change on beginning balance of deferred tax liabilities		0.1			(9.4	)
Business meals/gifts/other permanent differences		---			0.6
Dividends received deduction		(0.2	)		(11.1	)
Revenue recognized for book but not tax		---			0.4
Foreign tax credits		---			(0.4	)
CARES Act benefits		---			(4.4	)
Others		0.1			2.1
Effective tax rate		26.2	%		4.4	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	2021			2020
Deferred tax assets attributable to:
Accrued liabilities, including supplemental compensation and vacation pay accrual	$	1,603,000		$	415,000
Impairment losses on marketable securities		113,000			1,016,000
Bad debt reserves not yet deductible		55,000			55,000
Depreciation and amortization		3,065,000			3,482,000
Deferred revenues		1,836,000			913,000
Goodwill		520,000			590,000
Net operating losses		561,000			4,768,000
Credits and other		268,000			432,000
Total deferred tax assets		8,021,000			11,671,000
Deferred tax liabilities attributable to:
Unrealized gains on marketable securities		(64,115,000	)		(35,870,000	)
Net deferred income taxes	$	(56,094,000	)	$	(24,199,000	)

Summary of Operating Loss Carryforwards [Table Text Block]

Fiscal Year ended	California NOLs		Other State NOLs
September 30, 2032	$	---	$	.1
September 30, 2037		---		.1
September 30, 2038		4.8		.2
September 30, 2039		.7		.1
No expiration		---		1.9
Total	$	5.5	$	2.4