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Note 9 - Short-term Borrowings (Tables) | 12 Months Ended
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Dec. 31, 2018
Notes Tables |
Schedule of Short-term Debt [Table Text Block] |
|  | 2018 |  | 2017
Overnight repurchase agreements with customers |  | $ | 2,084,157 |  | $ | 7,003,122
Federal funds purchased |  |  | 26,690,000 |  |  | 6,990,000
|  | $ | 28,774,157 |  | $ | 13,993,122
Schedule of Repurchase Agreements [Table Text Block] | Information concerning overnight repurchase agreements with customers is summarized as follows as of December 31, 2018 and 2017:
|  | 2018 | 2017
Average daily balance during the period |  | $ | 7,830,860 |  | $ | 7,475,824 |
Average daily interest rate during the period |  |  | 0.38 | % |  | 0.08 | %
Maximum month-end balance during the period |  | $ | 10,391,529 |  | $ | 11,829,201 |
Weighted average rate as of end of period |  |  | 0.90 | % |  | 0.15 | %
Information concerning federal funds purchased is summarized as follows as of December 31, 2018 and 2017:
|  | 2018 | 2017
Average daily balance during the period |  | $ | 13,059,102 |  | $ | 13,486,239 |
Average daily interest rate during the period |  |  | 2.18 | % |  | 1.31 | %
Maximum month-end balance during the period |  | $ | 32,330,000 |  | $ | 33,650,000 |
Weighted average rate as of end of period |  |  | 2.46 | % |  | 1.24 | %
Securities Sold under Agreements to Repurchase [Member] |
Notes Tables |
Schedule of Underlying Assets of Repurchase Agreements when Amount of Repurchase Agreements Exceeds 10 Percent of Assets [Table Text Block] |
|  | 2018 |  | 2017
U.S. govt. sponsored agency securities |  | $ | 3,661,995 |  | $ | 2,077,702
Residential mortgage-backed and related securities |  |  | 20,654,345 |  |  | 18,816,280
Total securities pledged to overnight customer repurchase agreements |  |  | 24,316,340 |  |  | 20,893,982
Less: overcollateralized position |  |  | 22,232,183 |  |  | 13,890,860
|  | $ | 2,084,157 |  | $ | 7,003,122

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- Definition Tabular disclosure of short-term debt arrangements (having initial terms of repayment within one year or the normal operating cycle, if longer) including: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Tabular disclosure, as of the most recent balance sheet date, of securities or other assets sold under repurchase agreements when this amount exceeds 10 percent of total assets. Disclosure may include the following: the type of securities or assets sold under agreements to repurchase, the carrying amount, market value (including accrued interest plus any cash or other assets on deposit. The information is segregated into securities maturing (1) overnight; (2) term up to 30 days; (3) term of 30 to 90 days; (4) term over 90 days; (5) demand. + 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)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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