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Note 4 - Acquisitions	6 Months Ended
Jun. 30, 2021
Notes to Financial Statements
Business Combination Disclosure [Text Block]	4. Acquisitions: On January 1, 2020, the Company entered into a Stock Purchase Agreement to purchase all of the issued and outstanding shares of Cedar Holdings Group, Incorporated (“Cedar”), a fiber Internet provider business based in Durango, Colorado. For more information, see Note 3 - Acquisitions of the 2020 Annual Report.

Note 4 - Acquisitions

6 Months Ended

Jun. 30, 2021

Business Combination Disclosure [Text Block]

4. Acquisitions:

On January 1, 2020, the Company entered into a Stock Purchase Agreement to purchase all of the issued and outstanding shares of Cedar Holdings Group, Incorporated (“Cedar”), a fiber Internet provider business based in Durango, Colorado. For more information, see Note 3 - Acquisitions of the 2020 Annual Report.