Note 4 - Supplemental Balance Sheet Information - Summary of Goodwill (Details) - USD ($) $ in Thousands |
12 Months Ended | |
---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
|
Goodwill balance | $ 16,283 | $ 16,407 |
Effect of Foreign Currency Translation | (805) | (124) |
Goodwill balance | 19,965 | 16,283 |
Accutronics Limited [Member] | ||
Acquisition of Accutronics | 4,487 | |
Battery & Energy Products Segment [Member] | ||
Goodwill balance | 4,790 | 4,914 |
Effect of Foreign Currency Translation | (805) | (124) |
Goodwill balance | 8,472 | 4,790 |
Battery & Energy Products Segment [Member] | Accutronics Limited [Member] | ||
Acquisition of Accutronics | 4,487 | |
Communications Systems Segment [Member] | ||
Goodwill balance | 11,493 | 11,493 |
Effect of Foreign Currency Translation | ||
Goodwill balance | 11,493 | $ 11,493 |
Communications Systems Segment [Member] | Accutronics Limited [Member] | ||
Acquisition of Accutronics |