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Note 10 - Mortgages and Other Financing Receivables (Tables) | 12 Months Ended
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Dec. 31, 2015
Receivables [Abstract] |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Balance at January 1 |  | $ | 74,013 |  |  | $ | 30,243 |  |  | $ | 70,704 |
Additions: |  |  |  |  |  |  |  |  |  |  |  |
New mortgage loans |  |  | 5,730 |  |  |  | 52,728 |  |  |  | 8,527 |
Additions under existing mortgage loans |  |  | - |  |  |  | - |  |  |  | 7,810 |
Write-off of loan discounts |  |  | - |  |  |  | 286 |  |  |  | - |
Amortization of loan discounts |  |  | 112 |  |  |  | 126 |  |  |  | 653 |
Deductions: |  |  |  |  |  |  |  |  |  |  |  |
Loan repayments |  |  | (53,646 | ) |  |  | (7,330 | ) |  |  | (28,068 | )
Loan foreclosures |  |  | - |  |  |  | - |  |  |  | (25,572 | )
Charge off/foreign currency translation |  |  | (884 | ) |  |  | (1,066 | ) |  |  | (1,260 | )
Collections of principal |  |  | (1,499 | ) |  |  | (972 | ) |  |  | (2,529 | )
Amortization of loan costs |  |  | (2 | ) |  |  | (2 | ) |  |  | (22 | )
Balance at December 31 |  | $ | 23,824 |  |  | $ | 74,013 |  |  | $ | 30,243 |

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + 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 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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