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Note 4 - Other Assets (Tables) | 12 Months Ended
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Dec. 31, 2015
Disclosure Text Block Supplement [Abstract] |
Schedule of Other Assets [Table Text Block] |
|  | Year ended December 31, 2015 |  |  | Year ended December 31, 2014 |
Amounts in escrow advanced to acquire a controlling ownership interest in Ting Virginia, LLC (see note 3) |  | $ | — |  |  | $ | 3,125,000 |
Amounts advanced to the joint venture which was terminated in February 2015 (see note 14) |  |  | — |  |  |  | 5,074,000 |
|  | $ | — |  |  | $ | 8,199,000 |

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- Definition Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets. + References No definition available. + Details
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