General form of registration statement for all companies including face-amount certificate companies

6. Inventories (Tables)

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6. Inventories (Tables)
 3 Months Ended 12 Months Ended
Jun. 30, 2018
Mar. 31, 2018
Inventory Disclosure [Abstract]    
Schedule of inventories
    June 30,     March 31,  
    2018     2018  
Raw materials   $ 1,466,000     $ 1,619,000  
Finished goods     1,134,000       1,246,000  
    $ 2,600,000     $ 2,865,000  
    March 31,  
    2018     2017  
Raw materials   $ 1,619,000     $ 1,480,000  
Finished goods     1,246,000       741,000  
    $ 2,865,000     $ 2,221,000