Quarterly report pursuant to Section 13 or 15(d)

Inventories

v2.4.0.6
Inventories
3 Months Ended
Jan. 31, 2013
Inventory Disclosure [Abstract]  
Inventories

(7) Inventories

 

Inventories are valued at the lower of cost or market, with costs determined by the first-in, first-out method. Inventories at January 31, 2013 and April 30, 2012 consist of the following categories:

 

    January 31,
2013
  April 30,
2012
Raw materials   $ 1,779,951     $ 1,921,151  
Work in process     36,141       29,767  
Finished goods     1,096,545       981,154  
    $ 2,912,637     $ 2,932,072