Condensed Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 1,355,622	$ 1,546,030
Adjustments to reconcile income from operations to net cash flows from operating activities:
Depreciation	475,699	485,055
Amortization	91,250	91,250
(Gain) loss on sale of property and equipment	(11,441)	12,036
Equity-based compensation	349,522	289,551
Deferred income taxes	419,524	379,261
Provision for losses on doubtful accounts	8,000	186,750
Provision for losses on inventory obsolescence	44,903	10,420
Other	(2,011)	(2,012)
Changes in assets and liabilities:
Accounts receivable	448,271	(308,132)
Inventories	17,044,395	(3,870,295)
Prepaid and other current assets	(4,683,879)	(1,544,107)
Other assets	37,392	131,443
Accounts payable	(1,268,360)	(174,140)
Accrued expenses and accrued wages, salaries and bonuses	(2,046,917)	(1,033,434)
Income taxes payable	454,861	(1,112,164)
Net cash flows from operating activities	12,716,831	(4,912,488)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(361,565)	(340,796)
Proceeds from sales of property and equipment	14,000	2,800
Net cash flows from investing activities	(347,565)	(337,996)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net (payments) borrowings on bank credit agreements	(9,752,570)	5,730,771
Principal payments on long-term debt	(86,998)	(84,411)
Dividends paid on convertible preferred stock	(49,177)	(49,177)
Dividends on common stock	(119,514)	(116,417)
Repurchase of common stock	(2,154,670)
Withholdings on the exercise of equity-based awards	(81,406)	(156,497)
Net cash flow from financing activities	(12,244,335)	5,324,269
Net change in cash	124,931	73,785
Cash, beginning of period	219,536	99,922
Cash, end of period	344,467	173,707
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	225,512	223,385
Cash paid during the period for income taxes	134,615	1,725,903
Supplemental disclosure of non-cash information:
Equipment acquisitions classified as accounts payable	22,351	60,737
Dividends payable	178,614
Issuance of common stock in connection with the vesting and exercise of equity-based awards	$ 1,174,981	$ 1,240,842