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Inventories
6 Months Ended
Sep. 30, 2013
Inventories [Abstract]  
Inventories

(5)  Inventories at September 30, 2013 and March 31, 2013 consisted of:

 

 

 

 

 

 

 

 

 

 

September 30, 2013

 

March 31, 2013

Raw materials

 

$

7,744,341 

 

$

8,097,342 

Work-in-process

 

 

267,400 

 

 

356,696 

Finished products

 

 

2,515,779 

 

 

2,544,423 

 

 

$

10,527,520 

 

$

10,998,461 

 

 

 

Our inventories are subject to obsolescence and potential impairment due to bulk purchases in excess of customers’ requirements. We periodically assess our inventories for recovery of carrying value based on available information, expectations and estimates, and adjust inventory carrying values to the lower of cost or market for estimated declines in the realizable value. There was no impairment for obsolete inventory during the six month periods ended September 30, 2013 and 2012.