INCOME TAXES: (Details) - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Components of income tax expense from operations
Current: Federal	$ 3,650,491	$ 2,802,495
Current: State	486,173	446,546
Current income tax expense	4,136,664	3,249,041
Deferred: Federal	242,502	351,327
Deferred: State	21,834	31,632
Deferred income tax expense	264,336	382,959
Income tax expense	$ 4,401,000	$ 3,632,000
Income tax rate (as a percent)
Statutory income tax rate (as a percent)	35.00%	35.00%
Summary of difference between the Company's income tax expense in the accompanying consolidated financial statements and that which would be calculated using the statutory income tax rate
Tax at statutory rate	$ 3,766,798	$ 3,007,036
Nondeductible business expenses	355,710	327,665
State income taxes, net of federal tax benefit	347,157	306,014
Other	(68,665)	(8,715)
Income tax expense	4,401,000	3,632,000
Current:
Allowance for doubtful accounts	319,818	289,670
Accrued expenses	1,076,222	1,223,381
Inventory	523,396	446,554
Deferred tax assets - Current	1,919,436	1,959,605
Noncurrent:
Property and equipment	180,285	139,106
Net operating loss carry forwards-federal	287,759	333,800
Net operating loss carry forwards-state	596,545	596,545
Deferred tax assets - Noncurrent	1,064,589	1,069,451
Total deferred tax assets	2,984,025	3,029,056
Valuation allowance	(586,299)	(586,299)
Net deferred tax assets	2,397,726	2,442,757
Current:
Trade discounts	365,710	353,437
Noncurrent:
Property and equipment	1,531,346	1,391,625
Goodwill	1,246,782	1,153,863
Intangible assets	1,396,260	1,421,868
Deferred tax liabilities - Noncurrent	4,174,388	3,967,356
Total deferred tax liabilities	4,540,098	4,320,793
Net deferred tax assets (liabilities):
Current	1,553,726	1,606,168
Noncurrent	(3,696,098)	(3,484,204)
Net deferred tax assets (liabilities)	(2,142,372)	(1,878,036)
Unrecognized tax benefits
Unrecognized tax benefits, interest or penalties	0	$ 0
Net operating losses
Limitation on utilization of HNWC's net operating losses per year through 2022	100,000
Federal
Net operating losses
Net operating loss carryforwards	$ 800,000