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Note 7 - Property and Equipment (Detail) (USD $)	12 Months Ended
Note 7 - Property and Equipment (Detail) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Depreciation Rate	18.00%	19.20%	21.70%
Depreciation	$ 10,495,725	$ 11,891,474	$ 13,837,560
Asset Impairment Charges	2,874,000
Amortization	8,781,489	8,341,359	9,832,683
Telephone Plant Adjustment [Member]
Amortization	$ 652,163	$ 1,216,739	$ 1,554,932

The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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