Annual report pursuant to Section 13 and 15(d)

3. Summary of Significant Accounting Policies (Details - Antidilutive shares)

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3. Summary of Significant Accounting Policies (Details - Antidilutive shares) - shares
shares in Thousands
12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Antidilutive shares 434 763
Restricted Stock Units R S U [Member]    
Antidilutive shares 1 2
Stock Options [Member]    
Antidilutive shares 268 378
Warrants [Member]    
Antidilutive shares 119 320
Series C Preferred Stock [Member]    
Antidilutive shares 0 17
Common Stock Units [Member]    
Antidilutive shares [1] 46 46
[1] Consists of 30,668 restricted stock units and warrants to purchase 15,332 shares of common stock