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10. WARRANTS (Tables)
6 Months Ended
Sep. 30, 2019
Notes to Financial Statements  
Schedule of Warrant Activity
   Amount   Range of
Exercise
Price
   Weighted
Average
Exercise
Price
 
Warrants outstanding at March 31, 2019   342,992   $16.50 - 180.75   $38.10 
Adjustment for reverse split   73    n/a    n/a 
Cancelled/Expired   (19,823)  $64.50 - 180.75   $99.85 
Warrants outstanding at September 30, 2019   323,242   $16.50 - 135.00   $38.26 
Warrants exercisable at September 30, 2019   323,242   $16.50 - 135.00   $38.26