Annual report pursuant to Section 13 and 15(d)

3. Summary of Significant Accounting Policies (Tables)

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3. Summary of Significant Accounting Policies (Tables)
12 Months Ended
Mar. 31, 2018
Accounting Policies [Abstract]  
Property and equipment estimated useful life
    Years
Office equipment   3
Manufacturing, lab and other equipment   5
Furniture and fixtures   7
Net Loss Per Share
    March 31,  
    2018     2017  
Restricted stock units     32,000       34,000  
Options to purchase common stock     1,393,000       899,000  
Warrants to purchase common stock     1,375,000       1,344,000  
      2,800,000       2,277,000