Condensed Consolidated Unaudited Statements of Cash Flows - USD ($)	9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 1,919,996	$ 4,354,180
Adjustments to reconcile net income from operations to net cash flows from operating activities:
Depreciation	1,332,542	1,389,756
Amortization	198,750	265,417
Gain on sale of property and equipment	(30,854)	(69,215)
Equity-based compensation	1,193,005	1,050,644
Deferred income taxes	120,367	238,728
Provision (recovery) for losses on doubtful accounts	42,000	(39,000)
Provision for losses on inventory obsolescence	4,852	2,014
Other	2,296	(5,034)
Changes in assets and liabilities:
Accounts receivable	(1,044,423)	(2,027,155)
Inventories	(701,279)	10,120,804
Prepaid and other current assets	771,870	(3,320,720)
Other assets	(38,358)	27,897
Accounts payable	322,325	924,567
Accrued expenses and accrued wages, salaries and bonuses	(659,813)	2,825
Income taxes receivable	7,059	476,352
Net cash flows from operating activities	3,440,335	13,392,060
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(1,761,431)	(1,013,988)
Proceeds from sales of property and equipment	42,655	112,157
Net cash flows from investing activities	(1,718,776)	(901,831)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net payments on bank credit agreements	(209,128)	(7,193,768)
Principal payments on long-term debt	(271,031)	(262,677)
Repurchase of common stock	(1,038,060)	(4,044,437)
Dividends paid on convertible preferred stock		(146,462)
Dividends on common stock	(579,848)	(526,076)
Withholdings on the exercise of equity-based awards	(107,082)	(121,348)
Net cash flows from financing activities	(2,205,149)	(12,294,768)
Net change in cash	(483,590)	195,461
Cash, beginning of period	605,380	219,536
Cash, end of period	121,790	414,997
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	545,719	576,681
Cash paid during the period for income taxes	1,620,574	2,525,920
Supplemental disclosure of non-cash information:
Equipment acquisitions classified as accounts payable	9,881	51,874
Issuance of common stock in connection with the vesting and exercise of equity-based awards	$ 1,262,763	$ 1,174,981