Annual report pursuant to Section 13 and 15(d)

7. Prepaid Expenses and Other Current Assets (Tables)

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7. Prepaid Expenses and Other Current Assets (Tables)
12 Months Ended
Mar. 31, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of prepaid expenses and other current assets
    March 31,  
    2018     2017  
Prepaid insurance   $ 440,000     $ 587,000  
Prepaid rebates     270,000        
Tax prepaid to Mexican tax authorities     215,000        
Other prepaid expenses and other current assets     622,000       29,000  
    $ 1,547,000     $ 616,000