Note 7 - Property and Equipment (Detail) - Property and Equipment (USD $)	9 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Fair Value	$ 274,451,717	$ 280,718,813
Total property, plant and equipment	274,451,717	280,718,813
Accumulated depreciation	(216,526,577)	(214,836,838)
Net property, plant and equipment	57,925,140	65,881,975
Land [Member]
Fair Value	1,156,843	1,156,843
Total property, plant and equipment	1,156,843	1,156,843
Building and Building Improvements [Member] | Lower Range [Member]
Estimated life	20 years
Building and Building Improvements [Member] | Upper Range [Member]
Estimated life	40 years
Building and Building Improvements [Member]
Fair Value	12,268,433	12,246,942
Total property, plant and equipment	12,268,433	12,246,942
Telephone Equipment [Member] | Lower Range [Member]
Estimated life	6 years
Telephone Equipment [Member] | Upper Range [Member]
Estimated life	20 years
Telephone Equipment [Member]
Fair Value	221,449,892	227,825,837
Total property, plant and equipment	221,449,892	227,825,837
Cable Television Equipment [Member]
Estimated life	7 years
Fair Value	11,010,734	10,918,212
Total property, plant and equipment	11,010,734	10,918,212
Furniture and Fixtures [Member] | Lower Range [Member]
Estimated life	8 years
Furniture and Fixtures [Member] | Upper Range [Member]
Estimated life	14 years
Furniture and Fixtures [Member]
Fair Value	2,971,953	2,967,336
Total property, plant and equipment	2,971,953	2,967,336
Transportation Equipment [Member] | Lower Range [Member]
Estimated life	7 years
Transportation Equipment [Member] | Upper Range [Member]
Estimated life	9 years
Transportation Equipment [Member]
Fair Value	6,081,456	6,089,631
Total property, plant and equipment	6,081,456	6,089,631
Computer Software Equipment [Member] | Lower Range [Member]
Estimated life	5 years
Computer Software Equipment [Member] | Upper Range [Member]
Estimated life	7 years
Computer Software Equipment [Member]
Fair Value	15,607,496	15,590,698
Total property, plant and equipment	15,607,496	15,590,698
Internet Equipment [Member]
Estimated life	5 years
Fair Value	3,904,910	3,923,314
Total property, plant and equipment	$ 3,904,910	$ 3,923,314