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Note 3 - Income Taxes (Detail) - Deferred Income Tax Liabilities Comprised of the Following: (USD $)	Sep. 30, 2012	Sep. 30, 2011
Deferred tax assets attributable to:
Accrued liabilities, including supplemental compensation, vacation pay accrual and fiscal 2012 impairment losses on investments	$ 2,952,000	$ 2,307,000
Bad debt reserves not yet deductible	80,000	100,000
Depreciation and amortization	49,000	369,000
Other	262,000	306,000
Total deferred tax assets	3,343,000	3,082,000
Deferred tax liabilities attributable to:
Unrealized gains on investments	(20,898,000)	(9,772,000)
Net deferred income taxes	$ (17,555,000)	$ (6,690,000)

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed.

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- Definition

The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from employee benefit costs not otherwise specified in the taxonomy, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

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- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts.

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