Annual report pursuant to Section 13 and 15(d)

3. Summary of Significant Accounting Policies (Details - Disaggregation of revenue)

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3. Summary of Significant Accounting Policies (Details - Disaggregation of revenue) - USD ($)
 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Revenues $ 18,936,000 $ 18,970,000
Product [Member]    
Revenues 17,777,000 17,881,000
Product [Member] | Human Care [Member]    
Revenues 15,686,000 15,912,000
Product [Member] | Animal Care [Member]    
Revenues 2,091,000 1,969,000
Service [Member]    
Revenues $ 1,159,000 $ 1,089,000