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Note 9 - Equity Method Investment (Tables) | 9 Months Ended
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Sep. 30, 2013
Equity Method Investment [Abstract] |
Condensed Balance Sheet [Table Text Block] |
(in thousands) |  | As of September 30, 2013 |  |  | As of December 31, 2012 |
Current Assets |  | $ | 5,736 |  |  | $ | 6,898 |
Non-current Assets |  |  | 40,914 |  |  |  | 21,150 |
Current Liabilities |  |  | 2,445 |  |  |  | 9,988 |
Non-current Liabilities |  |  | 35,599 |  |  |  | 13,670 |
Total Equity |  | $ | 8,606 |  |  | $ | 4,390 |
Condensed Income Statement [Table Text Block] |
|  | For the three months ended September 30, 2013 |  |  | For the three months ended September 30, 2012 |  |  | For the nine months ended September 30, 2013 |  |  | For the nine months ended September 30, 2012 |
Revenue |  | $ | 16,672 |  |  | $ | 11,219 |  |  | $ | 39,838 |  |  | $ | 42,242 |
Operating Expenses |  |  | 14,256 |  |  |  | 10,094 |  |  |  | 34,631 |  |  |  | 39,168 |
Operating Income |  |  | 2,416 |  |  |  | 1,125 |  |  |  | 5,207 |  |  |  | 3,074 |
Net Income |  | $ | 2,009 |  |  | $ | 895 |  |  | $ | 4,217 |  |  | $ | 2,422 |

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