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Note 7 - Risk Management -Internal Rating Exposure (Details) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Subject to 12 month ECL [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 91.0 | 91.7
Subject to 12 month ECL [Member] | 0 to 2 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 5.5 | 9.6
Subject to 12 month ECL [Member] | 2 to 5 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 6.3 | 10.8
Subject to 12 month ECL [Member] | 5 to 11 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 14.6 | 6.3
Subject to 12 month ECL [Member] | 11 to 39 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 24.5 | 20.9
Subject to 12 month ECL [Member] | 39 to 194 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 24.5 | 30.1
Subject to 12 month ECL [Member] | 194 to 1.061 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 14.0 | 12.2
Subject to 12 month ECL [Member] | 1.061 to 2.121 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 1.4 | 1.6
Subject to 12 month ECL [Member] | 2.121 to 4.243 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 0.4 | 0.2
Subject to life time ECL [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 9.0 | 8.3
Subject to life time ECL [Member] | 0 to 2 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | - | -
Subject to life time ECL [Member] | 2 to 5 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | - | 0.1
Subject to life time ECL [Member] | 5 to 11 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 0.2 | -
Subject to life time ECL [Member] | 11 to 39 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 0.8 | 0.4
Subject to life time ECL [Member] | 39 to 194 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 1.6 | 1.8
Subject to life time ECL [Member] | 194 to 1.061 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 3.6 | 3.6
Subject to life time ECL [Member] | 1.061 to 2.121 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 1.2 | 1.2
Subject to life time ECL [Member] | 2.121 to 4.243 [Member] |  |
Disclosure of probability of default Line Items |  |
Abridged Scale | 1.5 | 1.2

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