v3.26.1
Plant and Equipment (Tables)
12 Months Ended
Mar. 31, 2026
Plant and Equipment [Abstract]  
Plant and Equipment
Plant and equipment is comprised of the following:
 
     March 31, 2026      March 31, 2025  
Plant and equipment
         
Machinery and equipment
 $66,393,000   $62,330,000 
Office equipment and fixtures
  37,621,000    34,250,000 
Leasehold improvements
  15,463,000    13,485,000 
    119,477,000    110,065,000 
Less: accumulated depreciation
  (88,738,000   (78,075,000
           
Total plant and equipment
 $30,739,000   $31,990,000