Quarterly report pursuant to Section 13 or 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
 3 Months Ended 9 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Antidilutive shares 227,000 891,000 236,000 891,000
Stock Options [Member]        
Antidilutive shares 61,000 358,000 70,000 358,000
Restricted Stock [Member]        
Antidilutive shares 1,000 2,000 1,000 2,000
Series C [Member]        
Antidilutive shares 0 17,000 0 17,000
Warrants [Member]        
Antidilutive shares 119,000 468,000 119,000 468,000
Common Stock Units [Member]        
Antidilutive shares [1] 46,000 46,000 46,000 46,000
[1] Consists of 30,668 restricted stock units and warrants to purchase 15,332 shares of common stock