Quarterly report pursuant to Section 13 or 15(d)

10. Geographic Information (Details - Geographic regions)

v3.8.0.1
10. Geographic Information (Details - Geographic regions) - USD ($)
3 Months Ended 6 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Sales revenue from geographical territories $ 4,144,000 $ 2,574,000 $ 7,747,000 $ 4,985,000
Increase (decrease) in sales revenue $ 1,570,000   $ 2,762,000  
Percent change in sales revenue 61.00%   55.00%  
Sales Revenue, Segment [Member] | United States [Member]        
Sales revenue from geographical territories $ 2,268,000 1,697,000 $ 4,127,000 3,070,000
Increase (decrease) in sales revenue $ 571,000   $ 1,057,000  
Percent change in sales revenue 34.00%   34.00%  
Sales Revenue, Segment [Member] | Latin America [Member]        
Sales revenue from geographical territories $ 754,000 0 $ 1,323,000 0
Increase (decrease) in sales revenue $ 754,000   $ 1,323,000  
Percent change in sales revenue 100.00%   100.00%  
Sales Revenue, Segment [Member] | Europe and Other [Member]        
Sales revenue from geographical territories $ 1,122,000 $ 877,000 $ 2,297,000 $ 1,915,000
Increase (decrease) in sales revenue $ 245,000   $ 382,000  
Percent change in sales revenue 28.00%   20.00%