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Note 15 - Commitments and Contingencies (Details Textual) $ / shares in Units, $ in Thousands, $ in Millions |  | 3 Months Ended
--- | --- | ---
Oct. 02, 2020 USD ($) $ / shares shares | Oct. 02, 2020 CAD ($) shares | Dec. 31, 2020 USD ($) $ / shares shares | Dec. 31, 2019 USD ($)
Increase (Decrease) in Other Employee-Related Liabilities |  |  | $ 459 | $ 408
Share Price (in dollars per share) | $ / shares | $ 5.98 |  | $ 6.52 |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable |  |  | $ 3,431 |
Assets Acquisition of Amika Mobile Corporation [Member] |  |  |  |
Asset Purchase Agreement, Deduction From Liability | $ 785 | $ 1 |  |
Asset Purchase Agreement, Deduction, Term (Year) | 3 years | 3 years |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares, Each Anniversaries (in shares) | shares | 191,267 | 191,267 | 191,267 |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | shares | 573,801 | 573,801 | 573,801 |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable | $ 3,431 |  | $ 3,431 |

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