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Note 26 - Share-based compensation expenses (Tables) | 3 Months Ended
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Mar. 31, 2013
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
|  | Option Outstanding |  |  | Option Exercisable |
|  | Number of underlying shares |  |  | Weighted Average Remaining Contractual Life (Years) |  |  | Weighted Average Exercise Price |  |  | Number of underlying shares |  |  | Weighted Average Remaining Contractual Life (Years) |  |  | Weighted Average Exercise Price |
Balance, December 31, 2012 (audited) |  |  | 939,440 |  |  |  | 8.51 |  |  | $ | 1.42 |  |  |  | 939,440 |  |  |  | 8.51 |  |  | $ | 1.42 |
Granted/Vested |  |  | - |  |  |  |  |  |  |  |  |  |  |  | - |  |  |  |  |  |  |  |  |
Forfeited |  |  | - |  |  |  |  |  |  |  |  |  |  |  | - |  |  |  |  |  |  |  |  |
Exercised |  |  | - |  |  |  |  |  |  |  |  |  |  |  | - |  |  |  |  |  |  |  |  |
Balance, March 31, 2013 (unaudited) |  |  | 939,440 |  |  |  | 8.26 |  |  | $ | 1.42 |  |  |  | 939,440 |  |  |  | 8.26 |  |  | $ | 1.42 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration