Intangible Assets (Details) (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Intangible assets
Gross Carrying Amount	$ 13,820,201	$ 13,744,288
Accumulated Amortization	4,628,474	3,682,633
Net Value	9,191,727	10,061,655
Amortization expense	945,841	934,890	633,335
Estimated annual amortization expense
2013	899,000
2014	868,000
2015	805,000
2016	805,000
2017	800,000
Minimum
Intangible assets
Estimated Lives	5 years
Maximum
Intangible assets
Estimated Lives	20 years
Trademarks
Intangible assets
Gross Carrying Amount	6,168,758	5,958,480
Accumulated Amortization	2,736,004	2,187,663
Net Value	3,432,754	3,770,817
Trademarks | Minimum
Intangible assets
Estimated Lives	8 years
Trademarks | Maximum
Intangible assets
Estimated Lives	15 years
Supply agreement
Intangible assets
Gross Carrying Amount	762,579	767,870
Accumulated Amortization	634,050	628,357
Net Value	128,529	139,513
Supply agreement | Minimum
Intangible assets
Estimated Lives	5 years
Supply agreement | Maximum
Intangible assets
Estimated Lives	6 years 6 months
Customer relationships
Intangible assets
Gross Carrying Amount	6,888,864	7,017,938
Accumulated Amortization	1,258,420	866,613
Net Value	$ 5,630,444	$ 6,151,325
Customer relationships | Minimum
Intangible assets
Estimated Lives	15 years
Customer relationships | Maximum
Intangible assets
Estimated Lives	20 years