Note 11 - Business Segment Information - Revenue by Business Segment Sector (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
---|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
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Revenue | [1] | $ 106,795 | $ 87,190 | |
Revenue, percentage | [1] | |||
Commercial [Member] | ||||
Revenue | $ 59,682 | $ 41,044 | ||
Revenue, percentage | 56.00% | 47.00% | ||
Government & Defense [Member] | ||||
Revenue | $ 47,113 | $ 46,146 | ||
Revenue, percentage | 44.00% | 53.00% | ||
Battery & Energy Products Segment [Member] | ||||
Revenue | [1] | $ 83,996 | $ 70,497 | |
Battery & Energy Products Segment [Member] | Commercial [Member] | ||||
Revenue | 59,682 | 41,044 | ||
Battery & Energy Products Segment [Member] | Government & Defense [Member] | ||||
Revenue | 24,314 | 29,453 | ||
Communications Systems Segment [Member] | ||||
Revenue | [1] | 22,799 | 16,693 | |
Communications Systems Segment [Member] | Commercial [Member] | ||||
Revenue | ||||
Communications Systems Segment [Member] | Government & Defense [Member] | ||||
Revenue | $ 22,799 | $ 16,693 | ||
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