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Note 2 - Earnings Per Share | 12 Months Ended
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Dec. 31, 2012
Earnings Per Share [Text Block] | 2. EARNINGS PER SHARE There are no convertible securities that would affect the numerator in calculating basic and diluted earnings per share; therefore, net income as presented on the Consolidated Statement of Income will be used as the numerator. 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 year-ended December 31.
|  | 2012 |  |  | 2011 |  |  | 2010 |
Weighted average common shares outstanding |  |  | 2,101,490 |  |  |  | 1,872,582 |  |  |  | 1,764,743 |
Average treasury stock shares |  |  | (189,530 | ) |  |  | (189,530 | ) |  |  | (189,530 | )
Weighted average common shares and common stock equivalents used to calculate basic earnings per share |  |  | 1,911,960 |  |  |  | 1,683,052 |  |  |  | 1,575,213 |
Additional common stock equivalents used to calculate diluted earnings per share |  |  | 4,972 |  |  |  | - |  |  |  | 608 |
Weighted average common shares and common stock equivalents used to calculate diluted earnings per share |  |  | 1,916,932 |  |  |  | 1,683,052 |  |  |  | 1,575,821 |
Options to purchase 79,693 shares of common stock at prices ranging from $17.55 to $40.24 were outstanding during the year ended December 31, 2012. Of those options, 8,875 were considered dilutive based on the average market price exceeding the strike price for the year ended December 31, 2012. In accordance with the subscription agreement entered into by an institutional investor, there was also an additional 12,419 shares, at $16 per share, considered dilutive for the year ended December 31, 2012. The remaining options had no dilutive effect on the 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 year ended December 31, 2011, but were not included in the computation of diluted earnings per share as they were anti-dilutive due to the strike price being greater than the average market price as of December 31, 2011. Options to purchase 89,077 shares of common stock at prices ranging from $22.33 to $40.24 were outstanding during the year ended December 31, 2010. Of those options, 9,561 were considered dilutive based on the average market price exceeding the strike price for the year ended December 31, 2010.

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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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