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Note 3 - Acquisitions (Details Textual) $ in Thousands, $ in Millions |  |  |  |  |  | 2 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2021 USD ($) | Dec. 21, 2021 USD ($) | Dec. 21, 2021 CAD ($) | Oct. 28, 2021 USD ($) | Oct. 21, 2021 | Oct. 06, 2021 USD ($) shares | Dec. 31, 2021 USD ($) | Dec. 31, 2022 USD ($) | Sep. 30, 2022 USD ($) | Jun. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 USD ($) | Sep. 30, 2021 USD ($) | [2] | Jun. 30, 2021 USD ($) | [3] | Mar. 31, 2021 USD ($) | [4] | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 21, 2021 CAD ($)
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  |  |  |  | $ 32,405 | $ 30,771 | $ 29,571 | $ 24,081 | $ 22,358 | [1] |  | $ 21,144 | $ 21,820 | $ 19,556 | $ 116,828 | $ 84,878 |
Net Income (Loss) Attributable to Parent, Total |  |  |  |  |  |  |  | 3,244 | $ 2,524 | 2,116 | $ 577 | 287 | [1] |  | $ 2,175 | $ 2,609 | $ 2,212 | 8,461 | 7,283 |
Z-Sciences [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total |  |  |  |  |  | $ 479 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  |  |  | 300 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquisition Related Costs |  |  |  |  |  | 82 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Total | $ 179 |  |  |  |  | $ 179 | $ 179 |  |  |  |  | 179 |  | $ 179 |  |  |  |  | 179 |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) |  |  |  |  |  | 14 years |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  |  |  |  |  |  |  |  |  |  | 15 |  |  |  |  |  |
Z-Sciences [Member] | Restricted Stock Award [Member] | Achieving Future Performance Milestones [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Vesting Percentage |  |  |  |  |  | 100.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Z-Sciences [Member] | Maximum [Member] | Restricted Stock Award [Member] | Achieving Future Performance Milestones [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable |  |  |  |  |  | $ 1,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | shares |  |  |  |  |  | 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Videology [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total |  |  |  | $ 12,094 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  | 12,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquisition Related Costs |  |  |  | $ 288 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) |  |  |  | 11 years 7 months 6 days |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax |  |  |  |  |  |  | 1,434 |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income (Loss) Attributable to Parent, Total |  |  |  |  |  |  | (146) |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Transaction Costs | 288 |  |  |  |  |  | 288 |  |  |  |  | 288 |  | 288 |  |  |  |  | 288 |
Acculogic [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Consideration Transferred, Total |  | $ 9,426 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  | 8,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Acquisition Related Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,297 |
Business Combination, Contingent Consideration, Liability, Total | 930 | 1,430 |  |  |  |  | 930 | 1,363 |  |  |  | 930 |  | 930 |  |  |  | 1,363 | 930 |
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year) |  |  |  |  | 14 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenue from Contract with Customer, Including Assessed Tax | 48 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income (Loss) Attributable to Parent, Total | (131) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Transaction Costs | $ 1,297 |  |  |  |  |  | $ 1,297 |  |  |  |  | $ 1,297 |  | $ 1,297 |  |  |  |  | $ 1,297 |
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred |  |  |  |  |  |  |  |  |  | $ (371) |  |  |  |  |  |  |  |  |  |
Acculogic [Member] | Payments Based on Performance Metrics [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Total |  | $ 1,430 |  |  |  |  |  | $ 3,700 |  |  |  |  |  |  |  |  |  | $ 3,700 |  | $ 5.0
Minimum Amount Required for Invoices Received |  |  | $ 2.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | The quarter ended December 31, 2021 includes a recovery of $17 of restructuring and other charges which are discussed in Note 5.
[2] | The quarter ended September 30, 2021 includes $51 of restructuring and other charges which are discussed in Note 5.
[3] | The quarter ended June 30, 2021 includes $197 of restructuring and other charges which are discussed in Note 5.
[4] | The quarter ended March 31, 2021 includes $55 of restructuring and other charges which are discussed in Note 5.

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