Quarterly report pursuant to Section 13 or 15(d)

Inventories

v2.4.0.6
Inventories
3 Months Ended
Jul. 31, 2012
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 July 31, 2012 and April 30, 2012 consist of the following categories:

 

    July 31,
2012
    April 30,
2012
 
Raw materials   $ 2,484,142     $ 1,921,151  
Work in process     28,404       29,767  
Finished goods     1,288,775       981,154  
    $ 3,801,321     $ 2,932,072