Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Revenue - Disaggregation of Revenue (Details)

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Note 5 - Revenue - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Total Net Sales $ 51,109 $ 27,092
Percent of net sales 100.00% 100.00%
Broadband Service Providers [Member]    
Percent of net sales 99.00% 98.00%
Legacy Customers [Member]    
Percent of net sales 1.00% 2.00%
UNITED STATES    
Total Net Sales $ 49,118 $ 26,032
Non-US [Member]    
Total Net Sales $ 1,991 $ 1,060