Quarterly report pursuant to Section 13 or 15(d)

5. Condensed Consolidated Balance Sheets (Tables)

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5. Condensed Consolidated Balance Sheets (Tables)
 6 Months Ended
Sep. 30, 2017
Inventory Disclosure [Abstract]  
Schedule of inventories
    September 30,     March 31,  
    2017     2017  
Raw materials   $ 1,492,000     $ 1,480,000  
Finished goods     1,111,000       741,000  
    $ 2,603,000     $ 2,221,000