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Plant and Equipment
12 Months Ended
Mar. 31, 2013
Plant and Equipment [Abstract]  
Plant and Equipment
8. Plant and Equipment

Plant and equipment, at cost, are as follows at March 31:

 
 
2013
  
2012
 
Machinery and equipment
 $26,991,000  $30,802,000 
Office equipment and fixtures
  9,780,000   8,251,000 
Leasehold improvements
  8,912,000   7,761,000 
Land and buildings
  633,000   626,000 
    46,316,000   47,440,000 
Less accumulated depreciation and amortization
  (32,233,000)  (34,702,000)
Total
 $14,083,000  $12,738,000 
 
Plant and equipment located in the foreign countries where the Company has production facilities, net of accumulated depreciation, totaled $6,233,000 and $6,320,000 at March 31, 2013 and 2012, respectively. These assets constitute substantially all the long-lived production assets of the Company located outside of the United States.