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Note 3 - Earnings Per Share | 3 Months Ended
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Mar. 31, 2013
Earnings Per Share [Text Block] | NOTE 3 - EARNINGS PER SHARE The Company provides dual presentation of basic and diluted earnings per share. Basic earnings per share is calculated by dividing net income by the average shares outstanding. Diluted earnings per share adds the dilutive effects of options, warrants, and convertible securities to average shares outstanding. The following table sets forth the composition of the weighted-average common shares (denominator) used in the basic and diluted earnings per share computation.
|  | For the Three Months Ended March 31, |
|  | 2013 |  |  | 2012 |
Weighted average common shares outstanding |  |  | 2,189,175 |  |  |  | 1,953,512 |
Average treasury stock shares |  |  | (189,530 | ) |  |  | (189,530 | )
Weighted average common shares and common stock equivalents used to calculate basic earnings per share |  |  | 1,999,645 |  |  |  | 1,763,982 |
Additional common stock equivalents (stock options) used to calculate diluted earnings per share |  |  | 10,647 |  |  |  | 603 |
Weighted average common shares and common stock equivalents used to calculate diluted earnings per share |  |  | 2,010,292 |  |  |  | 1,764,585 |
Options to purchase 61,132 shares of common stock, at prices ranging from $17.55 to $40.24, were outstanding during the three months ended March 31, 2013. Of those options, 59,617 were considered dilutive based on the market price exceeding the strike price. The remaining 1,515 options had no dilutive effect on earnings per share. Options to purchase 88,774 shares of common stock, at prices ranging from $17.55 to $40.24, were outstanding during the three months ended March 31, 2012. Of those options, 9,000 were considered dilutive based on the market price exceeding the strike price. The remaining 79,774 options had no dilutive effect on earnings per share.

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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 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: 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=16381557&loc=d3e4984-109258 Reference 3: 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 4: 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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: 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=6880815&loc=d3e20235-122688 + Details
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