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, 2017
Accounting Policies [Abstract]  
Property and equipment estimated useful life
    Years  
Office equipment     3  
Manufacturing, lab and other equipment     5  
Furniture and fixtures     7  
Antidilutive shares
    March 31,  
    2017     2016  
Restricted stock units     34,000        
Options to purchase common stock     899,000       753,000  
Warrants to purchase common stock     1,344,000       1,485,000  
      2,277,000       2,238,000