Note 3 - Investment Securities Available for Sale (Tables)
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12 Months Ended |
Dec. 31, 2017 |
Notes Tables |
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Schedule of Available-for-sale Securities Reconciliation [Table Text Block] |
| | December 31, 2017 | | | | | | | | Gross | | | Gross | | | | | | | | Amortized | | | Unrealized | | | Unrealized | | | Fair | | (Dollar amounts in thousands) | | Cost | | | Gains | | | Losses | | | Value | | | | | | | | | | | | | | | | | | | U.S. government agency securities | | $ | 8,664 | | | $ | 126 | | | $ | (71 | ) | | $ | 8,719 | | Obligations of states and political subdivisions: | | | | | | | | | | | | | | | | | Taxable | | | 504 | | | | 8 | | | | - | | | | 512 | | Tax-exempt | | | 65,408 | | | | 1,547 | | | | (38 | ) | | | 66,917 | | Mortgage-backed securities in government-sponsored entities | | | 18,640 | | | | 157 | | | | (287 | ) | | | 18,510 | | Total debt securities | | | 93,216 | | | | 1,838 | | | | (396 | ) | | | 94,658 | | Equity securities in financial institutions | | | 415 | | | | 210 | | | | - | | | | 625 | | Total | | $ | 93,631 | | | $ | 2,048 | | | $ | (396 | ) | | $ | 95,283 | | | | December 31, 2016 | | | | | | | | Gross | | | Gross | | | | | | | | Amortized | | | Unrealized | | | Unrealized | | | Fair | | (Dollar amounts in thousands) | | Cost | | | Gains | | | Losses | | | Value | | | | | | | | | | | | | | | | | | | U.S. government agency securities | | $ | 10,158 | | | $ | 174 | | | $ | (96 | ) | | $ | 10,236 | | Obligations of states and political subdivisions: | | | | | | | | | | | | | | | | | Taxable | | | 1,615 | | | | 129 | | | | (4 | ) | | | 1,740 | | Tax-exempt | | | 78,327 | | | | 1,678 | | | | (522 | ) | | | 79,483 | | Mortgage-backed securities in government-sponsored entities | | | 20,128 | | | | 202 | | | | (261 | ) | | | 20,069 | | Private-label mortgage-backed securities | | | 1,579 | | | | 130 | | | | - | | | | 1,709 | | Total debt securities | | | 111,807 | | | | 2,313 | | | | (883 | ) | | | 113,237 | | Equity securities in financial institutions | | | 750 | | | | 389 | | | | - | | | | 1,139 | | Total | | $ | 112,557 | | | $ | 2,702 | | | $ | (883 | ) | | $ | 114,376 | |
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Investments Classified by Contractual Maturity Date [Table Text Block] |
| | Amortized | | | Fair | | (Dollar amounts in thousands) | | Cost | | | Value | | | | | | | | | | | Due in one year or less | | $ | 2,340 | | | $ | 2,377 | | Due after one year through five years | | | 9,718 | | | | 9,878 | | Due after five years through ten years | | | 10,992 | | | | 11,012 | | Due after ten years | | | 70,166 | | | | 71,391 | | | | | | | | | | | Total | | $ | 93,216 | | | $ | 94,658 | |
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Realized Gain (Loss) on Investments [Table Text Block] |
| | 2017 | | | 2016 | | | 2015 | | Proceeds from sales | | $ | 6,474 | | | $ | 9,063 | | | $ | 15,686 | | Gross realized gains | | | 911 | | * | | 309 | | | | 440 | | Gross realized losses | | | (25 | ) | | | (6 | ) | | | (117 | ) |
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Schedule of Unrealized Loss on Investments [Table Text Block] |
| | December 31, 2017 | | | | Less than Twelve Months | | | Twelve Months or Greater | | | Total | | | | | | | | Gross | | | | | | | Gross | | | | | | | Gross | | | | Fair | | | Unrealized | | | Fair | | | Unrealized | | | Fair | | | Unrealized | | (Dollar amounts in thousands) | | Value | | | Losses | | | Value | | | Losses | | | Value | | | Losses | | | | | | | | | | | | | | | | | | | | | | | | | | | U.S. government agency securities | | $ | 557 | | | $ | (4 | ) | | $ | 4,036 | | | $ | (67 | ) | | $ | 4,593 | | | $ | (71 | ) | Obligations of states and political subdivisions | | | | | | | | | | | | | | | | | | | | | | | | | Tax-exempt | | | 1,009 | | | | (6 | ) | | | 2,784 | | | | (32 | ) | | | 3,793 | | | | (38 | ) | Mortgage-backed securities in government-sponsored entities | | | 5,698 | | | | (71 | ) | | | 8,734 | | | | (216 | ) | | | 14,432 | | | | (287 | ) | Total | | $ | 7,264 | | | $ | (81 | ) | | $ | 15,554 | | | $ | (315 | ) | | $ | 22,818 | | | $ | (396 | ) | | | December 31, 2016 | | | | Less than Twelve Months | | | Twelve Months or Greater | | | Total | | | | | | | | Gross | | | | | | | Gross | | | | | | | Gross | | | | Fair | | | Unrealized | | | Fair | | | Unrealized | | | Fair | | | Unrealized | | (Dollar amounts in thousands) | | Value | | | Losses | | | Value | | | Losses | | | Value | | | Losses | | | | | | | | | | | | | | | | | | | | | | | | | | | U.S. government agency securities | | $ | 3,803 | | | $ | (47 | ) | | $ | 1,316 | | | $ | (49 | ) | | $ | 5,119 | | | $ | (96 | ) | Obligations of states and political subdivisions | | | | | | | | | | | | | | | | | | | | | | | | | Taxable | | | 502 | | | | (4 | ) | | | - | | | | - | | | | 502 | | | | (4 | ) | Tax-exempt | | | 23,554 | | | | (522 | ) | | | - | | | | - | | | | 23,554 | | | | (522 | ) | Mortgage-backed securities in government-sponsored entities | | | 9,066 | | | | (126 | ) | | | 4,438 | | | | (135 | ) | | | 13,504 | | | | (261 | ) | Total | | $ | 36,925 | | | $ | (699 | ) | | $ | 5,754 | | | $ | (184 | ) | | $ | 42,679 | | | $ | (883 | ) |
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