Summary of Significant Accounting Policies (Details)	3 Months Ended
Summary of Significant Accounting Policies (Details)	Feb. 28, 2013
Machinery and equipment [Member] \| Maximum [Member]
Summary of estimated useful lives or lease terms of the assets
Estimated useful lives of the assets	7 years
Machinery and equipment [Member] \| Minimum [Member]
Summary of estimated useful lives or lease terms of the assets
Estimated useful lives of the assets	5 years
Furniture and fixtures [Member] \| Maximum [Member]
Summary of estimated useful lives or lease terms of the assets
Estimated useful lives of the assets	10 years
Furniture and fixtures [Member] \| Minimum [Member]
Summary of estimated useful lives or lease terms of the assets
Estimated useful lives of the assets	3 years
Tools, dies and masters [Member]
Summary of estimated useful lives or lease terms of the assets
Estimated useful lives of the assets	3 years
Transportation equipment [Member]
Summary of estimated useful lives or lease terms of the assets
Estimated useful lives of the assets	5 years
Leasehold improvements [Member]
Summary of estimated useful lives or lease terms of the assets
Estimated useful lives of the assets	9 years 6 months