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Note 4 - Earnings Per Share | 9 Months Ended
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Sep. 30, 2014
Earnings Per Share [Abstract] |
Earnings Per Share [Text Block] | 4. EARNINGS PER SHARE The following table sets forth the computation of basic and diluted earnings per share (“EPS”) for the three and nine months ended September 30, 2014 and 2013:
|  |  | Three Months Ended |  |  | Nine Months Ended |
|  |  | September 30, |  |  | September 30, |
|  |  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Net income |  | $ | 1,628,562 |  |  | $ | 1,561,832 |  |  | $ | 5,248,459 |  |  | $ | 4,777,506 |
| Numerator for basic and diluted earnings per share |  |  | 1,628,562 |  |  |  | 1,561,832 |  |  |  | 5,248,459 |  |  |  | 4,777,506 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Weighted-average shares outstanding-basic |  |  | 10,203,711 |  |  |  | 10,176,744 |  |  |  | 10,200,411 |  |  |  | 10,163,490 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Stock options |  |  | 36,294 |  |  |  | 44,768 |  |  |  | 38,133 |  |  |  | 41,858 |
| Restricted stock |  |  | 1,405 |  |  |  | - |  |  |  | 1,565 |  |  |  |  |
Dilutive potential common shares |  |  | 37,699 |  |  |  | 44,768 |  |  |  | 39,698 |  |  |  | 41,858 |
| Denominator for diluted earnings per share-weighted-average shares |  |  | 10,241,410 |  |  |  | 10,221,512 |  |  |  | 10,240,109 |  |  |  | 10,205,348 |
| Basic earnings per share |  | $ | 0.16 |  |  | $ | 0.15 |  |  | $ | 0.51 |  |  | $ | 0.47 |
| Diluted earnings per share |  | $ | 0.16 |  |  | $ | 0.15 |  |  | $ | 0.51 |  |  | $ | 0.47 |
The net effect of converting stock options to purchase 84,600 and 111,600 shares of common stock at exercise prices less than the average market prices has been included in the computations of diluted earnings per share for the quarter ended September 30, 2014 and 2013, respectively.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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