Condensed Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 4,354,180	$ 4,311,587
Adjustments to reconcile income from operations to net cash flows from operating activities:
Depreciation	1,389,756	1,435,719
Amortization	265,417	273,750
(Gain) loss on sale of property and equipment	(69,215)	5,103
Equity-based compensation	1,050,644	910,920
Deferred income taxes	238,728	133,493
(Recovery) provision for losses on doubtful accounts	(39,000)	193,000
Provision for losses on inventory obsolescence	2,014	132,793
Other	(5,034)	(6,034)
Changes in assets and liabilities:
Accounts receivable	(2,027,155)	(207,224)
Inventories	10,120,804	(6,393,734)
Prepaid and other current assets	(3,320,720)	942,531
Other assets	27,897	118,531
Accounts payable	924,567	242,760
Accrued expenses and accrued wages, salaries and bonuses	2,825	1,505,917
Income taxes payable	476,352	(1,022,572)
Net cash flows from operating activities	13,392,060	2,576,540
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(1,013,988)	(812,624)
Proceeds from sales of property and equipment	112,157	24,000
Net cash flows from investing activities	(901,831)	(788,624)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net payments on bank credit agreements	(7,193,768)	(774,559)
Principal payments on long-term debt	(262,677)	(255,157)
Repurchase of common stock	(4,044,437)
Dividends paid on convertible preferred stock	(146,462)	(145,928)
Dividends on common stock	(526,076)	(348,732)
Withholdings on the exercise of equity-based awards	(121,348)	(213,605)
Net cash flows from financing activities	(12,294,768)	(1,737,981)
Net change in cash	195,461	49,935
Cash, beginning of period	219,536	99,922
Cash, end of period	414,997	149,857
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	576,681	677,163
Cash paid during the period for income taxes	2,525,920	3,944,080
Supplemental disclosure of non-cash information:
Equipment acquisitions classified as accounts payable	51,874	8,483
Issuance of common stock in connection with the vesting and exercise of equity-based awards	$ 1,174,981	$ 1,240,842