Condensed Consolidated Statements of Cash Flows (USD $)	6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 1,819,281	$ 2,676,646
Adjustments to reconcile net income from operations to net cash flows from operating activities:
Depreciation	1,070,374	1,011,147
Amortization	182,500	182,500
Gain on sale of property and equipment	(24,746)	(71,131)
Equity-based compensation	717,821	652,421
Deferred income taxes	462,447	457,525
Provision for losses on doubtful accounts	132,000	39,000
Provision for losses (recoveries) on inventory obsolescence	(1,121)	49,179
Other	(4,023)	(4,023)
Changes in assets and liabilities:
Accounts receivable	1,356,409	1,686,669
Inventories	(2,474,084)	(780,967)
Prepaid and other current assets	5,700	152,987
Other assets	13,054	36,724
Accounts payable	(34,071)	(1,802,183)
Accrued expenses and accrued wages, salaries and bonuses	(1,565,640)	(1,123,486)
Income tax payable	(1,618,592)	(2,060,080)
Net cash flows from operating activities	37,309	1,102,928
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(1,362,832)	(1,104,229)
Proceeds from sales of property and equipment	29,969	139,540
Acquisition	(513,938)
Net cash flows from investing activities	(1,846,801)	(964,689)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net borrowings on bank credit agreements	4,926,619	3,378,417
Principal payments on long-term debt	(607,923)	(587,355)
Repurchase of Series B Convertible Preferred Stock and common stock	(1,941,918)	(2,572,085)
Dividends paid on convertible preferred stock	(97,285)	(107,399)
Dividends on common stock	(239,362)	(234,917)
Proceeds from exercise of stock options		1,180
Withholdings on the exercise of equity-based awards	(109,115)	(74,610)
Net cash flows from financing activities	1,931,016	(196,769)
Net change in cash	121,524	(58,530)
Cash, beginning of period	275,036	491,387
Cash, end of period	396,560	432,857
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	523,081	564,422
Cash paid during the period for income taxes	2,585,145	3,583,555
Supplemental disclosure of non-cash information:
Equipment acquisitions classified as accounts payable	152,311	57,412
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