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Consolidated Statements Of Changes In Stockholders' Equity - USD ($) | Common Stock [Member] | Additional Paid-In Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Total
--- | --- | --- | --- | --- | ---
BALANCE at Dec. 31, 2012 | $ 423,745 | $ 36,404,518 | $ 57,755,178 | $ (588,048) | $ 93,995,393
BALANCE, Shares at Dec. 31, 2012 | 8,474,896 |  |  |  |
Net (loss) income |  |  | (957,888) |  | (957,888)
Issuance of common stock under Employee Stock Purchase Plan | $ 849 | 172,354 |  |  | 173,203
Issuance of common stock under Employee Stock Purchase Plan, Shares | 16,977 |  |  |  |
Issuance of common stock to Employee Stock Ownership Plan | $ 2,230 | 461,589 |  |  | 463,819
Issuance of common stock to Employee Stock Ownership Plan, Shares | 44,598 |  |  |  |
Issuance of common stock under Employee Stock Option Plan | $ 750 | 109,500 |  |  | 110,250
Issuance of common stock under Employee Stock Option Plan, Shares | 15,000 |  |  |  |
Issuance of common stock under Executive Stock Plan | $ 92 | 27,312 |  |  | 27,404
Issuance of common stock under Executive Stock Plan, Shares | 1,849 |  |  |  |
Tax benefit from non-qualified stock options |  | 16,284 |  |  | 16,284
Share-based compensation |  | (80,886) |  |  | (80,886)
Shareholder dividends |  |  | (5,473,572) |  | (5,473,572)
Other comprehensive income (loss) |  |  |  | 348,036 | 348,036
BALANCE at Dec. 31, 2013 | $ 427,666 | 37,110,671 | 51,323,718 | (240,012) | 88,622,043
BALANCE, Shares at Dec. 31, 2013 | 8,553,320 |  |  |  |
Net (loss) income |  |  | 1,961,873 |  | 1,961,873
Issuance of common stock under Employee Stock Purchase Plan | $ 705 | 166,637 |  |  | 167,342
Issuance of common stock under Employee Stock Purchase Plan, Shares | 14,104 |  |  |  |
Issuance of common stock to Employee Stock Ownership Plan | $ 1,626 | 360,647 |  |  | $ 362,273
Issuance of common stock to Employee Stock Ownership Plan, Shares | 32,520 |  |  |  | 32,520
Issuance of common stock under Non-Employee Stock Option Plan | $ 600 | 98,760 |  |  | $ 99,360
Issuance of common stock under Non-Employee Stock Option Plan, Shares | 12,000 |  |  |  |
Issuance of common stock under Executive Stock Plan | $ 2,239 | 0 |  |  | 2,239
Issuance of common stock under Executive Stock Plan, Shares | 44,769 |  |  |  |
Tax benefit from non-qualified stock options |  | 80,402 |  |  | 80,402
Share-based compensation |  | 784,785 |  |  | 784,785
Purchase of common stock | $ (98) | (8,672) | (14,052) |  | (22,822)
Purchase of common stock, Shares | (1,957) |  |  |  |
Shareholder dividends |  |  | (5,581,851) |  | (5,581,851)
Other comprehensive income (loss) |  |  |  | (455,146) | (455,146)
BALANCE at Dec. 31, 2014 | $ 432,738 | 38,593,230 | 47,689,688 | (695,158) | 86,020,498
BALANCE, Shares at Dec. 31, 2014 | 8,654,756 |  |  |  |
Net (loss) income |  |  | (9,648,308) |  | (9,648,308)
Issuance of common stock under Employee Stock Purchase Plan | $ 1,012 | 201,552 |  |  | 202,564
Issuance of common stock under Employee Stock Purchase Plan, Shares | 20,243 |  |  |  |
Issuance of common stock to Employee Stock Ownership Plan | $ 1,882 | 393,338 |  |  | $ 395,220
Issuance of common stock to Employee Stock Ownership Plan, Shares | 37,640 |  |  |  | 37,640
Issuance of common stock under Non-Employee Stock Option Plan | $ 600 | 121,920 |  |  | $ 122,520
Issuance of common stock under Non-Employee Stock Option Plan, Shares | 12,000 |  |  |  |
Issuance of common stock under Executive Stock Plan | $ 2,313 | 0 |  |  | 2,313
Issuance of common stock under Executive Stock Plan, Shares | 46,254 |  |  |  |
Tax benefit from non-qualified stock options |  | (5,712) |  |  | (5,712)
Share-based compensation |  | 898,760 |  |  | 898,760
Other share retirements, Shares | (16,343) |  |  |  |
Other share retirements | $ (818) | (73,803) | (107,260) |  | (181,881)
Shareholder dividends |  |  | (5,650,059) |  | (5,650,059)
Other comprehensive income (loss) |  |  |  | 28,776 | 28,776
BALANCE at Dec. 31, 2015 | $ 437,727 | $ 40,129,285 | $ 32,284,061 | $ (666,382) | $ 72,184,691
BALANCE, Shares at Dec. 31, 2015 | 8,754,550 |  |  |  |

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