Annual report pursuant to Section 13 and 15(d)

8. Property and Equipment (Tables)

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8. Property and Equipment (Tables)
12 Months Ended
Mar. 31, 2018
Property, Plant and Equipment [Abstract]  
Schedule of property and equipment
    March 31,  
    2018     2017  
Manufacturing, lab, and other equipment   $ 3,653,000     $ 3,319,000  
Office equipment     361,000       324,000  
Furniture and fixtures     100,000       91,000  
Leasehold improvements     592,000       536,000  
      4,706,000       4,270,000  
Less: accumulated depreciation and amortization     (3,570,000 )     (3,031,000 )
    $ 1,136,000     $ 1,239,000