Annual report pursuant to Section 13 and 15(d)

5. EQUITY TRANSACTIONS (Details - Warrants outstanding and exercisable)

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5. EQUITY TRANSACTIONS (Details - Warrants outstanding and exercisable) - Warrants [Member] - $ / shares
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Warrants outstanding 1,991,973 2,021,368 342,992
Weighted Average Exercise Price, outstanding $ 5.23 $ 5.21 $ 27
Warrants exercisable 1,991,973    
$2.75 or Below [Member]      
Warrants outstanding 1,732,585    
Weighted Average Remaining Life (Years) 3 years 9 months 18 days    
Weighted Average Exercise Price, outstanding $ 2.23    
Warrants exercisable 1,732,585    
Weighted Average Exercise Price, exercisable $ 2.23    
$16.50 - $59.25 [Member]      
Warrants outstanding 249,985    
Weighted Average Remaining Life (Years) 1 year 5 months 5 days    
Weighted Average Exercise Price, outstanding $ 23.24    
Warrants exercisable 249,985    
Weighted Average Exercise Price, exercisable $ 23.24    
$64.50 - $135.00 [Member]      
Warrants outstanding 9,403    
Weighted Average Remaining Life (Years) 6 months 29 days    
Weighted Average Exercise Price, outstanding $ 77.62    
Warrants exercisable 9,403    
Weighted Average Exercise Price, exercisable $ 77.62