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5. INVENTORIES
6 Months Ended
Oct. 31, 2013
Inventory Disclosure [Abstract]  
5. INVENTORIES

Inventories are stated at the lower of cost or market and primarily include raw materials, direct labor and overhead costs (work-in-process) associated with our wholly-owned subsidiary, Avid. Cost is determined by the first-in, first-out method. Inventories consist of the following at October 31, 2013 and April 30, 2013:

 

   October 31,
2013
   April 30,
2013
 
Raw materials  $2,142,000   $2,169,000 
Work-in-process   1,891,000    2,170,000 
Total inventories  $4,033,000   $4,339,000