Condensed Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 2,502,246	$ 2,315,363
Adjustments to reconcile income from operations to net cash flows from operating activities:
Depreciation	960,130	984,662
Amortization	182,500	182,500
(Gain) loss on sale of property and equipment	(34,482)	7,036
Equity-based compensation	660,203	607,661
Deferred income taxes	352,242	238,555
Provision (recovery) for losses on doubtful accounts	(67,000)	159,999
Provision (recovery) for losses on inventory obsolescence	70,818	(34,189)
Other	(4,022)	(4,023)
Changes in assets and liabilities:
Accounts receivable	2,677,840	2,279,407
Inventories	4,128,553	(21,852,218)
Prepaid and other current assets	(1,954,372)	1,708,944
Other assets	20,467	111,792
Accounts payable	(1,005,681)	200,996
Accrued expenses and accrued wages, salaries and bonuses	(1,479,465)	(862,235)
Income taxes payable	343,304	(1,577,138)
Net cash flows from operating activities	7,353,281	(15,532,888)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(692,402)	(611,106)
Proceeds from sales of property and equipment	48,164	7,800
Net cash flows from investing activities	(644,238)	(603,306)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net borrowings on bank credit agreements	(3,292,820)	16,881,883
Principal payments on long-term debt	(174,650)	(169,782)
Repurchase of common stock	(2,547,683)
Dividends paid on convertible preferred stock	(97,820)	(97,285)
Dividends on common stock	(412,210)	(232,488)
Withholdings on the exercise of equity-based awards	(81,406)	(156,497)
Net cash flow from financing activities	(6,606,589)	16,225,831
Net change in cash	102,454	89,637
Cash, beginning of period	219,536	99,922
Cash, end of period	321,990	189,559
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	391,130	403,758
Cash paid during the period for income taxes	1,235,454	3,060,584
Supplemental disclosure of non-cash information:
Equipment acquisitions classified as accounts payable	17,500	48,754
Issuance of common stock in connection with the vesting and exercise of equity-based awards	$ 1,174,981	$ 1,240,842