Note 5 - Property and Equipment (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Land [Member]
Property Plant and Equipment, Gross	$ 1,164	$ 1,164
Building Improvements [Member] \| Minimum [Member]
Estimated Life	20 years
Building Improvements [Member] \| Maximum [Member]
Estimated Life	40 years
Building Improvements [Member]
Property Plant and Equipment, Gross	$ 12,723	12,528
Telephone Equipment [Member] \| Minimum [Member]
Estimated Life	6 years
Telephone Equipment [Member] \| Maximum [Member]
Estimated Life	20 years
Telephone Equipment [Member]
Property Plant and Equipment, Gross	$ 233,099	230,100
Cable Television Equipment [Member]
Property Plant and Equipment, Gross	$ 12,129	11,945
Estimated Life	7 years
Furniture and Fixtures [Member] \| Minimum [Member]
Estimated Life	8 years
Furniture and Fixtures [Member] \| Maximum [Member]
Estimated Life	14 years
Furniture and Fixtures [Member]
Property Plant and Equipment, Gross	$ 3,045	3,036
Vehicles [Member] \| Minimum [Member]
Estimated Life	7 years
Vehicles [Member] \| Maximum [Member]
Estimated Life	9 years
Vehicles [Member]
Property Plant and Equipment, Gross	$ 6,516	6,343
Computer Equipment [Member] \| Minimum [Member]
Estimated Life	5 years
Computer Equipment [Member] \| Maximum [Member]
Estimated Life	7 years
Computer Equipment [Member]
Property Plant and Equipment, Gross	$ 16,251	15,984
Internet Equipment [Member]
Property Plant and Equipment, Gross	$ 3,797	3,829
Estimated Life	5 years
Property Plant and Equipment, Gross	$ 288,724	284,929
Accumulated depreciation and amortization	(238,913)	(233,692)
Net property and equipment	$ 49,811	$ 51,237

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.14)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.13)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 13
-Subparagraph a
-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 8
-Article 7

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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