Quarterly report pursuant to Section 13 or 15(d)

Revenue Disaggregation (Details - Geographic regions)

v3.23.3
Revenue Disaggregation (Details - Geographic regions) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Disaggregation of Revenue [Line Items]        
Revenues $ 2,731 $ 3,331 $ 6,158 $ 7,314
Revenue, Segment Benchmark [Member] | UNITED STATES        
Disaggregation of Revenue [Line Items]        
Revenues 590 973 1,396 1,842
Revenue, Segment Benchmark [Member] | Europe [Member]        
Disaggregation of Revenue [Line Items]        
Revenues 1,201 1,170 2,271 2,012
Revenue, Segment Benchmark [Member] | Asia [Member]        
Disaggregation of Revenue [Line Items]        
Revenues 346 518 1,208 1,438
Revenue, Segment Benchmark [Member] | Latin America [Member]        
Disaggregation of Revenue [Line Items]        
Revenues 260 394 747 1,444
Revenue, Segment Benchmark [Member] | Rest Of The World [Member]        
Disaggregation of Revenue [Line Items]        
Revenues $ 334 $ 276 $ 536 $ 578