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Plant and Equipment
12 Months Ended
Mar. 31, 2018
Plant and Equipment [Abstract]  
Plant and Equipment
8. Plant and Equipment

The following summarizes plant and equipment, at cost, at March 31:

  
2018
  
2017
 
Machinery and equipment
 
$
42,976,000
  
$
32,589,000
 
Office equipment and fixtures
  
11,380,000
   
11,806,000
 
Leasehold improvements
  
7,832,000
   
7,641,000
 
   
62,188,000
   
52,036,000
 
Less accumulated depreciation
  
(33,866,000
)
  
(33,599,000
)
Total
 
$
28,322,000
  
$
18,437,000
 

Plant and equipment located in the foreign countries where the Company has facilities, net of accumulated depreciation, totaled $14,919,000 and $3,855,000 at March 31, 2018 and 2017, respectively. These assets constitute substantially all the long-lived assets of the Company located outside of the United States.