CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 4,959,528	$ 5,858,672
Adjustments to reconcile income from operations to net cash flows from operating activities:
Depreciation	2,021,402	2,047,613
Amortization	365,000	365,000
Gain on sale of property and equipment	(59,449)	(56,829)
Equity-based compensation	1,406,033	1,303,310
Deferred income taxes	382,959	(221,694)
Recoveries for losses on doubtful accounts	(317,000)	(55,000)
Provision (recoveries) for losses on inventory obsolescence	44,695	(91,494)
Other	(8,045)	(93,328)
Changes in assets and liabilities:
Accounts receivable	(4,586,727)	4,353,630
Inventories	3,403,156	(7,669,072)
Prepaid and other current assets	(32,578)	1,474,710
Other assets	49,733	232
Accounts payable	591,478	(1,391,539)
Accrued expenses and accrued wages, salaries and bonuses	(238,994)	181,294
Income taxes payable	(318,737)	(272,615)
Net cash flows from operating activities	7,662,454	5,732,890
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(2,796,326)	(2,113,426)
Proceeds from sales of property and equipment	192,373	179,662
Acquisitions	(996,803)
Net cash flows from investing activities	(3,600,756)	(1,933,764)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net borrowings (payments) on bank credit agreements	240,071	487,980
Principal payments on long-term debt	(998,788)	(1,182,829)
Repurchase of common stock and Series B Convertible Preferred Stock	(2,664,547)	(2,572,085)
Dividends paid on convertible preferred stock	(195,105)	(205,218)
Dividends on common stock	(468,034)	(469,895)
Withholdings on the exercise of equity-based awards	(150,409)	(73,430)
Net cash flow from financing activities	(4,236,812)	(4,015,477)
Net change in cash	(175,114)	(216,351)
Cash, beginning of year	275,036	491,387
Cash, end of year	99,922	275,036
Supplemental disclosure of cash flow information:
Cash paid during the year for interest	946,881	1,115,991
Cash paid during the year for income taxes	3,567,778	4,867,986
Supplemental disclosure of non-cash information:
Equipment acquisitions classified as accounts payable	34,985	73,204
Issuance of common stock in connection with the vesting and exercise of equity-based awards	1,154,869	1,389,258
Conversion by holders of Series B Convertible Preferred Stock to common stock		100,000
Common stock acquired with other consideration		$ 760,871