CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 7,367,562	$ 8,064,036
Adjustments to reconcile income from operations to net cash flows from operating activities:
Depreciation	2,017,726	1,850,231
Amortization	374,688	384,583
Gain on sale of property and equipment	(36,900)	(45,848)
Equity-based compensation	1,426,848	1,851,457
Net excess tax benefit on equity-based awards		(139,686)
Deferred income taxes	681,422	1,865,462
Recoveries of losses on doubtful accounts	(5,243)	(437,757)
(Recoveries) provision for losses on inventory obsolescence	(20,512)	114,000
Other	(8,045)	(8,045)
Changes in assets and liabilities, net of effect of business acquisition:
Accounts receivable	287,101	4,259,181
Inventories	103,873	1,015,604
Prepaid and other current assets	(403,166)	(3,025,051)
Other assets	(20,160)	(169,775)
Accounts payable	(1,250,790)	1,810,710
Accrued expenses and accrued wages, salaries and bonuses	(710,302)	(1,256,553)
Income taxes payable	94,786	(126,801)
Net cash flows from operating activities	9,898,888	16,005,748
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(1,480,782)	(1,988,139)
Proceeds from sales of property and equipment	129,834	94,525
Acquisition		(13,368,057)
Net cash flows from investing activities	(1,350,948)	(15,261,671)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net (payments) borrowings on bank credit agreements	(6,417,881)	1,954,904
Principal payments on long-term debt	(1,320,311)	(1,093,147)
Repurchase of common stock	(918,000)
Net excess tax benefit on equity-based awards		139,686
Dividends paid on convertible preferred stock	(269,095)	(286,397)
Dividends on common stock	(470,659)	(448,584)
Proceeds from exercise of stock options	1,180	22,391
Withholdings on the exercise of equity-based awards	(51,452)
Net cash flow from financing activities	(9,446,218)	288,853
Net change in cash	(898,278)	1,032,930
Cash, beginning of year	1,389,665	356,735
Cash, end of year	491,387	1,389,665
Supplemental disclosure of cash flow information:
Cash paid during the year for interest	1,393,470	1,419,636
Cash paid during the year for income taxes	4,256,794	4,543,338
Supplemental disclosure of non-cash information:
Equipment acquisitions classified as accounts payable	11,237	10,685
Issuance of common stock in connection with the vesting and exercise of equity based awards	950,562
Conversion by holders of Series B Convertible Preferred Stock to common stock	100,000	450,000
Business acquisition (see Note 2):
Accounts receivable		8,881,428
Inventories		4,571,629
Property and equipment		1,795,859
Prepaid asset		35,000
Goodwill		200,659
Accrued expenses		(120,000)
Note payable		(2,552,090)
Amount due under non-competition agreement		(444,428)
Non-competition agreement
Business acquisition (see Note 2):
Business acquisition, intangible assets		500,000
Customer relationships
Business acquisition (see Note 2):
Business acquisition, intangible assets		$ 500,000