Quarterly report pursuant to Section 13 or 15(d)

11. Segment and Geographic Information (Details)

v3.20.2
11. Segment and Geographic Information (Details) - USD ($)
 3 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Revenues $ 7,254,000 $ 4,385,000
Product [Member] | UNITED STATES    
Revenues 1,720,000 2,487,000
Product [Member] | Latin America [Member]    
Revenues 2,320,000 654,000
Product [Member] | Europe and Rest of the World [Member]    
Revenues $ 3,214,000 $ 1,244,000