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Note 23 - Subsequent Events (Details Textual) - USD ($) |  | 1 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
May. 15, 2016 | May. 31, 2016 | Apr. 30, 2016 | Apr. 30, 2015 | Oct. 31, 2015
Subsequent Event [Member] | The 7.5% 2016 Notes [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member] |  |  |  |  |
Repayments of Senior Debt | $ 86,500,000 |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 7.50% |  |  |  |
Subsequent Event [Member] |  |  |  |  |
Proceeds from Sale of Land and Contribution of Land to Joint Venture |  | $ 75.10 |  |  |
The 7.5% 2016 Notes [Member] | Unsecured Senior Notes Excluding Senior Amortizing Notes and Senior Exchangeable Notes [Member] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage |  |  | 7.50% |  | 7.50%
Repayments of Senior Debt |  |  | $ 175,040,000 | $ 2,062,000 |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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