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Note 18 - Subsequent Events (Details Textual) - USD ($) | Apr. 01, 2022 | Apr. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Preferred Stock, Par or Stated Value Per Share (in dollars per share) |  |  | $ 0.001 | $ 0.001
Subsequent Event [Member] |  |  |  |
Common Stock, Par or Stated Value Per Share (in dollars per share) |  | $ 0.001 |  |
Offering of Debt Securities and Warrants, Maximum (in shares) |  | 500,000,000 |  |
Maximum Shares of Common Stock Registered by Certain Selling Shareholders (in shares) |  | 8,297,093 |  |
Preferred Stock, Par or Stated Value Per Share (in dollars per share) |  | $ 0.001 |  |
InfoWest, Inc. (“InfoWest”) and Go Fiber LLC (“Go Fiber”) [Member] | Subsequent Event [Member] |  |  |  |
Business Combination, Consideration Transferred, Total | $ 48,700,000 |  |  |
Business Combination, Consideration Transferred, Cash, Percentage | 80.00% |  |  |
Business Combination, Consideration Transferred, Equity Issued, Percentage | 20.00% |  |  |

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