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Summary of Consolidated Unaudited Quarterly Results of Operations (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest income | $ 3,356 | $ 3,396 | $ 3,374 | $ 3,480 | $ 3,627 | $ 3,658 | $ 3,560 | $ 3,675 | $ 4,004 | $ 3,940 | $ 3,708 | $ 3,630 | $ 13,605,649 | $ 14,519,737 | $ 15,281,865
Interest expense | 576 | 588 | 607 | 620 | 652 | 666 | 628 | 588 | 571 | 675 | 699 | 717 | 2,390,685 | 2,533,922 | 2,661,805
Net interest income | 2,780 | 2,808 | 2,767 | 2,860 | 2,975 | 2,992 | 2,932 | 3,087 | 3,433 | $ 3,265 | $ 3,009 | $ 2,913 | 11,214,964 | 11,985,815 | 12,620,060
Provision for credit losses | 410 | 985 | 150 | 150 | 746 | 125 | 112 | 38 | 260 |  |  |  | 1,695,000 | 1,020,876 | 260,000
Net securities gains | 369 | 200 | 270 | 199 | 575 | 361 | 141 | 79 | 71 | $ 150 | $ 122 | $ 2 | 1,037,663 | 1,155,978 | 345,331
Income before income taxes | 552 | (169) | 786 | 429 | 521 | 637 | 498 | 567 | 814 | 1,039 | 788 | 607 | 1,597,537 | 2,223,178 | 3,248,032
Net income | $ 447 | $ 8 | $ 518 | $ 380 | $ 480 | $ 526 | $ 435 | $ 473 | $ 650 | $ 795 | $ 640 | $ 529 | $ 1,352,616 | $ 1,914,526 | $ 2,614,177
Net income per share (basic and diluted) (in dollars per share) | $ 0.16 |  | $ 0.19 | $ 0.14 | $ 0.17 | $ 0.19 | $ 0.16 | $ 0.17 | $ 0.23 | $ 0.29 | $ 0.24 | $ 0.19 | $ 0.49 | $ 0.69 | $ 0.95

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- Definition The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References No definition available. + Details
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- Definition Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.1-5) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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