Summary of Significant Accounting Policies - Useful Lives (Details)	6 Months Ended
	May. 31, 2015
Machinery and equipment | Minimum
Summary of estimated useful lives or lease terms of the assets
Estimated useful lives of the assets	5 years
Machinery and equipment | Maximum
Summary of estimated useful lives or lease terms of the assets
Estimated useful lives of the assets	7 years
Furniture and fixtures | Minimum
Summary of estimated useful lives or lease terms of the assets
Estimated useful lives of the assets	3 years
Furniture and fixtures | Maximum
Summary of estimated useful lives or lease terms of the assets
Estimated useful lives of the assets	10 years
Tools, dies and masters
Summary of estimated useful lives or lease terms of the assets
Estimated useful lives of the assets	3 years
Transportation equipment
Summary of estimated useful lives or lease terms of the assets
Estimated useful lives of the assets	5 years
Leasehold improvements
Summary of estimated useful lives or lease terms of the assets
Estimated useful lives of the assets	7 years 3 months