Note 4 - Acquisitions	9 Months Ended
Sep. 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.

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-URI http://asc.fasb.org/topic&trid=2303972

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