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Earnings Per Share | 12 Months Ended
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Dec. 31, 2016
Earnings Per Share [Abstract] |
Earnings Per Share | (14) Earnings Per Share For the years ended December 31, 2016, 2015 and 2014, basic and diluted net income per share are calculated as follows:
|  | Year Ended December 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Basic income per share |  |  |  |  |  |  |  |  |
Net income for the period - numerator |  | $ | 7,312,976 |  |  | $ | 11,542,205 |  |  | $ | 11,706,360 |
Weighted average common stock outstanding - denominator |  |  | 21,416,143 |  |  |  | 20,316,400 |  |  |  | 19,270,394 |
Net income per share |  | $ | 0.34 |  |  | $ | 0.57 |  |  | $ | 0.61 |
Diluted income per share |  |  |  |  |  |  |  |  |  |  |  |
Net income for the period- numerator |  | $ | 7,312,976 |  |  | $ | 11,542,205 |  |  | $ | 11,706,360 |
Weighted average common stock outstanding - denominator |  |  | 21,416,143 |  |  |  | 20,316,400 |  |  |  | 19,270,394 |
Effect of dilution |  |  | - |  |  |  | - |  |  |  | - |
Weighted average common stock outstanding - denominator |  |  | 21,416,143 |  |  |  | 20,316,400 |  |  |  | 19,270,394 |
Diluted income per share |  | $ | 0.34 |  |  | $ | 0.57 |  |  | $ | 0.61 |
For the years ended December 31, 2016, 2015 and 2014, 820,312 shares related to warrants are excluded from the calculations of dilutive net income per share as their effects would have been anti-dilutive since the average share price for the years ended December 31, 2016, 2015 and 2014 were lower than the warrants exercise price.

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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 3 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1278-109256 Reference 2: 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 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=64863997&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=65016374&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=63488584&loc=d3e20235-122688 + Details
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