Annual report pursuant to Section 13 and 15(d)

17. Geographic Information (Details)

v3.5.0.1
17. Geographic Information (Details) - USD ($)
12 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Sales revenue from geographical territories $ 13,042,000 $ 9,939,000
Product license fees and royalties 981,000 3,056,000
Total product, licensing fees and royalties 14,023,000 12,995,000
Increase (decrease) in sales revenue 3,103,000  
Increase (decrease) in product license fees and royalties $ (2,075,000)  
Percent change in sales revenue 31.00%  
Increase (decrease) in total product revenues $ 1,028,000  
Percent change in total product revenues 8.00%  
Service revenues $ 1,061,000 859,000
License fees and royalties [Member]    
Increase (decrease) in product license fees and royalties $ (2,075,000)  
Percent change in sales revenue (68.00%)  
Sales Revenue, Segment [Member] | United States [Member]    
Sales revenue from geographical territories $ 4,371,000 1,978,000
Increase (decrease) in sales revenue $ 2,393,000  
Percent change in sales revenue 121.00%  
Sales Revenue, Segment [Member] | Latin America [Member]    
Sales revenue from geographical territories $ 4,965,000 5,053,000
Increase (decrease) in sales revenue $ (88,000)  
Percent change in sales revenue (2.00%)  
Sales Revenue, Segment [Member] | Europe and Other [Member]    
Sales revenue from geographical territories $ 3,706,000 $ 2,908,000
Increase (decrease) in sales revenue $ 798,000  
Percent change in sales revenue 27.00%