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Note 3 - Acquisitions (Details Textual) $ in Thousands |  |  |  |  | 1 Months Ended | 2 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Jan. 03, 2023 USD ($) | Nov. 08, 2021 USD ($) | Oct. 01, 2021 USD ($) | Jan. 01, 2020 USD ($) shares | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability |  |  |  |  |  |  | $ (400) | $ 0 | $ 0
Payment for Contingent Consideration Liability, Financing Activities |  |  |  |  |  |  | $ 3,125 | $ (0) | $ (0)
Minimum [Member] |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  |  |  | 2 years |  |
Maximum [Member] |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  |  |  | 15 years |  |
UNR [Member] |  |  |  |  |  |  |  |  |
Asset Acquisition, Consideration Transferred, Total |  |  | $ 3,000 |  |  |  |  |  |
Asset Acquisition, Consideration Transferred, Working Capital Liabilities |  |  | 500 |  |  |  |  |  |
Asset Acquisition, Consideration Transferred, Net of Price Adjustments |  |  | $ 2,500 |  |  |  |  |  |
Customer Relationships [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  |  |  | 3 years |  |
Customer Relationships [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  |  |  | 7 years |  |
Network Rights [Member] |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  |  |  |  | 15 years |  |
Technology [Member] | UNR [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  | 5 years |  |  |  |  |  |
Technology [Member] | UNR [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  | 7 years |  |  |  |  |  |
Cedar Technologies Inc. [Member] |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total |  |  |  | $ 14,100 |  |  |  |  |
Business Combination, Consideration Transferred, Estimated Price Adjustments |  |  |  | 200 |  |  |  |  |
Business Combination, Consideration Transferred, Net of Price Adjustments |  |  |  | 13,900 |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  | $ 9,000 |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | shares |  |  |  | 32,374 |  |  |  |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable |  |  |  | $ 2,000 |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High |  |  |  | 4,000 |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability |  |  |  |  | $ (400) |  |  |  |
Business Combination, Contingent Consideration, Liability, Total |  |  |  | $ 3,100 |  |  |  |  |
Cedar Technologies Inc. [Member] | Customer Relationships [Member] |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  | 7 years |  |  |  |  |
Cedar Technologies Inc. [Member] | Network Rights [Member] |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  | 15 years |  |  |  |  |
Cedar Technologies Inc. [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |
Payment for Contingent Consideration Liability, Financing Activities | $ 1,600 |  |  |  |  |  |  |  |
Cedar Technologies Inc. [Member] | Measurement Input, Discount Rate [Member] |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Measurement Input |  |  |  | 0.112 |  |  |  |  |
Simply Bits LLC [Member] |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total |  | $ 24,829 |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Estimated Price Adjustments |  |  |  |  |  | $ 800 |  |  |
Business Combination, Consideration Transferred, Net of Price Adjustments |  | 25,782 |  |  |  | $ 25,800 |  |  |
Business Combination, Contingent Consideration, Liability, Total |  | $ 1,000 |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  | 7 years |  |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  | 100.00% |  |  |  |  |  |  |
Business Combination, Contingent Consideration Arrangements, Payment Period (Day) |  | 60 days |  |  |  |  |  |  |

X
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