Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Revenue - Disaggregation of Revenue (Details)

v3.25.0.1
Note 8 - Revenue - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2023
Net Sales $ 35,476 $ 34,230 $ 34,230
Net Sales. percentage 100.00% 100.00%  
Broadband Service Providers [Member]      
Net Sales. percentage 94.00% 93.00%  
Legacy Customers [Member]      
Net Sales. percentage 6.00% 7.00%  
UNITED STATES      
Net Sales $ 29,332   27,561
Non-US [Member]      
Net Sales $ 6,144   $ 6,669