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Note 9 - Short-term Borrowings - Overnight Repurchase Agreement Collateralized Investment Securities (Details) - Securities Sold under Agreements to Repurchase [Member] - USD ($) | Dec. 31, 2018 | Dec. 31, 2017
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Securities sold under repurchase agreements | $ 24,316,340 | $ 20,893,982
Less: overcollateralized position | 22,232,183 | 13,890,860
Assets sold | 2,084,157 | 7,003,122
US Government Agencies Debt Securities |  |
Securities sold under repurchase agreements | 3,661,995 | 2,077,702
Residential Mortgage Backed Securities |  |
Securities sold under repurchase agreements | $ 20,654,345 | $ 18,816,280

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- Definition Amount of overcapitalized position that is intend to cover any minor interest rate movement. + References No definition available. + Details
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- Definition Carrying amount of assets sold under agreements to repurchase when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under repurchase agreements exceeds 10 percent of total assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(1)(i)(A)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Amount to be repaid to the counterparty to the repurchase agreement when the carrying amount (or market value, if higher than the carrying amount) of securities or other assets sold under the repurchase agreement exceeds 10 percent of total assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(m)(1)(i)(A)(ii)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Details
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- Details
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- Details
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