Quarterly report pursuant to Section 13 or 15(d)

Revenue Disaggregation (Details - Geographic regions)

v3.22.4
Revenue Disaggregation (Details - Geographic regions) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Disaggregation of Revenue [Line Items]        
Revenues $ 2,944 $ 2,902 $ 10,258 $ 10,330
Product [Member]        
Disaggregation of Revenue [Line Items]        
Revenues 2,944 2,902 10,258 10,330
Product [Member] | Revenue, Segment Benchmark [Member] | UNITED STATES        
Disaggregation of Revenue [Line Items]        
Revenues 761 933 2,603 3,872
Product [Member] | Revenue, Segment Benchmark [Member] | Europe [Member]        
Disaggregation of Revenue [Line Items]        
Revenues 1,104 731 3,117 2,419
Product [Member] | Revenue, Segment Benchmark [Member] | Asia [Member]        
Disaggregation of Revenue [Line Items]        
Revenues 514 664 1,952 1,810
Product [Member] | Revenue, Segment Benchmark [Member] | Latin America [Member]        
Disaggregation of Revenue [Line Items]        
Revenues 384 273 1,827 1,356
Product [Member] | Revenue, Segment Benchmark [Member] | Rest Of The World [Member]        
Disaggregation of Revenue [Line Items]        
Revenues $ 181 $ 301 $ 759 $ 873