Condensed Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 3,079,713	$ 4,309,133
Adjustments to reconcile net income from operations to net cash flows from operating activities:
Depreciation	1,536,860	1,517,958
Amortization	273,750	273,750
Gain on sale of property and equipment	(42,745)	(72,318)
Equity-based compensation	1,025,694	971,954
Deferred income taxes	421,934	449,188
Provision for losses on doubtful accounts	63,000	80,000
Provision for losses on inventory obsolescence	15,878	54,028
Other	(6,034)	(6,034)
Changes in assets and liabilities:
Accounts receivable	(1,379,031)	(2,852,651)
Inventories	(1,572,589)	(9,827,717)
Prepaid and other current assets	(2,048,389)	(1,622,018)
Other assets	31,892	55,753
Accounts payable	598,939	(1,070,612)
Accrued expenses and accrued wages, salaries and bonuses	805,286	525,856
Income tax payable	(1,589,747)	(1,096,612)
Net cash flows from operating activities	1,214,411	(8,310,342)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(2,337,626)	(1,808,206)
Proceeds from sales of property and equipment	47,969	144,841
Acquisition	(996,803)
Net cash flows from investing activities	(3,286,460)	(1,663,365)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net borrowings on bank credit agreements	6,322,689	13,697,657
Principal payments on long-term debt	(915,350)	(883,923)
Repurchase of Series B Convertible Preferred Stock and common stock	(2,648,318)	(2,572,085)
Dividends paid on convertible preferred stock	(145,928)	(156,041)
Dividends on common stock	(353,806)	(352,406)
Proceeds from exercise of stock options		1,180
Withholdings on the exercise of equity-based awards	(128,523)	(74,610)
Net cash flows from financing activities	2,130,764	9,659,772
Net change in cash	58,715	(313,935)
Cash, beginning of period	275,036	491,387
Cash, end of period	333,751	177,452
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	751,909	851,665
Cash paid during the period for income taxes	3,586,813	3,883,424
Supplemental disclosure of non-cash information:
Equipment acquisitions classified as accounts payable	62,414	21,248
Issuance of common stock in connection with the vesting and exercise of equity-based awards	1,154,869	1,389,258
Conversion by holder of Series B Convertible Preferred Stock to common stock		100,000
Common stock acquired with other consideration		$ 760,871