Note 3 - Income Taxes (Tables)

12 Months Ended

Sep. 30, 2013

Income Tax Disclosure [Abstract]

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

	2013			2012		2011
Current	$	1,051,351		$	532,000	$	1,159,000
Deferred		(15,000	)		234,000		533,000
	$	1,036,351		$	766,000	$	1,692,000

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

	2013			2012			2011
Statutory tax rate		34.0	%		34.0	%		34.0	%
State income taxes, net of U.S. federal tax benefit		5.4	%		3.5	%		4.6	%
Charges without tax benefit		1.2	%		1.4	%		0.7	%
Tax credits and other exclusions		(2.3%	)		(0.9%	)		0.7	%
Company’s effective tax rate		38.3	%		38.0	%		40.0	%

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

	2013		2012
Deferred tax assets:
Net operating loss carryforwards	$	414,000	$	500,000
Accounts receivable		116,000		115,000
Inventory		842,000		639,000
Other, net		232,000		196,000
		1,604,000		1,450,000
Deferred tax liabilities:
Financial basis in excess of tax basis of certain assets		731,000		592,000
Net deferred tax asset	$	873,000	$	858,000

	2013			2012
Deferred tax asset – current	$	1,066,000		$	920,000
Deferred tax asset (liability) – noncurrent		(193,000	)		(62,000	)
	$	873,000		$	858,000