Quarterly report pursuant to Section 13 or 15(d)

10. Segment and Geographic Information (Details - Geographic regions)

v3.8.0.1
10. Segment and Geographic Information (Details - Geographic regions) - USD ($)
3 Months Ended 9 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Sales revenue from geographical territories $ 4,647,000 $ 3,174,000 $ 12,394,000 $ 8,158,000
Increase (decrease) in sales revenue $ 1,473,000   $ 4,236,000  
Percent change in sales revenue 46.00%   52.00%  
Sales Revenue, Segment [Member] | United States [Member]        
Sales revenue from geographical territories $ 2,883,000 1,671,000 $ 7,010,000 4,741,000
Increase (decrease) in sales revenue $ 1,212,000   $ 2,269,000  
Percent change in sales revenue 73.00%   48.00%  
Sales Revenue, Segment [Member] | Latin America [Member]        
Sales revenue from geographical territories $ 772,000 465,000 $ 2,095,000 465,000
Increase (decrease) in sales revenue $ 307,000   $ 1,630,000  
Percent change in sales revenue 66.00%   351.00%  
Sales Revenue, Segment [Member] | Europe and Other [Member]        
Sales revenue from geographical territories $ 992,000 $ 1,038,000 $ 3,289,000 $ 2,952,000
Increase (decrease) in sales revenue $ (46,000)   $ 337,000  
Percent change in sales revenue (4.00%)   11.00%