Note 5 - Allowance for Loan Losses - Changes in the Allowance for Loan Losses (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Balance, Beginning of Year | $ 8,603,905 | $ 8,802,316 | $ 11,805,986 |
| Provision for Loan Losses | 1,062,000 | 865,500 | 1,308,000 |
| Loans Charged Off | (2,087,850) | (2,083,347) | (5,104,491) |
| Recoveries of Loans Previously Charged Off | 1,345,238 | 1,019,436 | 792,821 |
| Balance, End of Year | $ 8,923,293 | $ 8,603,905 | $ 8,802,316 |