XML 30 R35.htm IDEA: XBRL DOCUMENT v2.4.0.6
Inventories (Details) (USD $)
Oct. 27, 2012
Jan. 31, 2012
Components of inventories    
Materials and Supplies $ 8,664,879 $ 9,204,853
Work-In-Process 1,531,561 1,274,397
Finished Goods 4,290,860 3,649,349
Inventory Gross $ 14,487,300 $ 14,128,599