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Note 2 - Summary of Significant Accounting Policies (Details Textual) $ / shares in Units, $ in Thousands |  | 6 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 23, 2023 $ / shares | Jun. 30, 2024 USD ($) shares | Jun. 30, 2023 shares | Dec. 31, 2023 USD ($) | Nov. 12, 2021 $ / shares
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | shares |  | 6,219,800 | 7,391,651 |  |
Unrecognized Tax Benefits, Ending Balance | $ |  | $ 0 |  | $ 0 |
Business Acquisition, Extension Option, Minimum Extension Threshold Price, Increase in Price (in dollars per share) |  |  |  |  | $ 1
Reflect Systems, Inc. [Member] |  |  |  |  |
Business Combination, Contingent Consideration, Billable Devices Online, Maximum Share Price (in dollars per share) | $ 19.2 |  |  |  |
Business Acquisition, Extension Option, Minimum Extension Threshold Price Percentage |  |  |  |  | 70.00%
Business Acquisition, Extension Option, Minimum Extension Threshold Price Percentage, Increase in Price |  |  |  |  | 80.00%
Reflect Systems, Inc. [Member] | Reverse Stock Split [Member] |  |  |  |  |
Stockholders' Equity Note, Stock Split, Conversion Ratio | 3 |  |  |  |
Reflect Systems, Inc. [Member] | Maximum [Member] |  |  |  |  |
Business Acquisition, Contingent Consideration, Maximum Share Price (in dollars per share) |  |  |  |  | $ 6.4

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