Annual report pursuant to Section 13 and 15(d)

17. Geographic Information (Details - Geographic regions)

v3.8.0.1
17. Geographic Information (Details - Geographic regions) - USD ($)
12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Revenues $ 16,658,000 $ 12,825,000
Product [Member]    
Revenues 15,663,000 11,957,000
Product [Member] | Sales Revenue, Segment [Member] | United States [Member]    
Revenues 8,372,000 6,580,000
Product [Member] | Sales Revenue, Segment [Member] | Latin America [Member]    
Revenues 3,007,000 1,299,000
Product [Member] | Sales Revenue, Segment [Member] | Europe and Other [Member]    
Revenues $ 4,284,000 $ 4,078,000