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Note 8 - Goodwill and Intangible Assets, Net (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Finite-Lived Intangible Assets, Gross, Total |  |  | $ 24,426 |  | $ 8,361
Intangible Assets Expenditures Incurred but Not yet Paid |  |  |  | $ 750 |
NB-IoT technologies [Member] |  |  |  |  |
Finite-lived Intangible Assets Acquired |  | $ 2,800 |  |  |
Finite Lived Intangible Assets Acquired, Balance Not Received |  | $ 600 |  |  |
Finite-Lived Intangible Assets, Gross, Total | [1] |  | 2,200 |  | $ 2,200
Intangible Assets Expenditures Incurred but Not yet Paid |  |  | $ 610 |  |
[1] | During the first quarter of 2018, the Company entered into an agreement to acquire certain NB-IoT technologies in the amount of $2,800, of which technologies valued at $600 has not been received. Of the $2,200, $610 has not resulted in cash outflows as of September 30, 2019. The Company recorded the amortization cost of the NB-IoT technologies in "cost of revenues" on the Company's interim condensed consolidated statements of income (loss).

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