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Shareholders' Equity | 9 Months Ended
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Sep. 30, 2016
Equity [Abstract] |
Shareholders' Equity |
8. | Shareholders’ Equity
A summary of changes in shareholders’ equity is presented below:
|  | Common Stock |  |  | Additional Paid-In Capital |  |  | Retained Earnings |  |  | Treasury Stock |  |  | Deferred Compensation Trust |  |  | Deferred Compensation Liability |  |  | Total |
Balance, December 31, 2015 |  | $ | 206 |  |  | $ | 1,447,795 |  |  | $ | 5,270,114 |  |  | $ | (5,478,950 | ) |  | $ | (17,333 | ) |  | $ | 17,333 |  |  | $ | 1,239,165 |
Net income |  |  | — |  |  |  | — |  |  |  | 274,371 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 274,371 |
Deferred compensation activity |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (34 | ) |  |  | 34 |  |  |  | — |
Purchase of common stock for treasury |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (291,743 | ) |  |  | — |  |  |  | — |  |  |  | (291,743 | )
Equity-based compensation |  |  | — |  |  |  | 32,459 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 32,459 |
Excess tax benefit from equity benefit plan activity |  |  | — |  |  |  | 10,949 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 10,949 |
Proceeds from stock options exercised |  |  | — |  |  |  | 33,938 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 33,938 |
Treasury stock issued upon option exercise and restricted share vesting |  |  | — |  |  |  | (25,371 | ) |  |  | — |  |  |  | 25,371 |  |  |  | — |  |  |  | — |  |  |  | — |
Balance, September 30, 2016 |  | $ | 206 |  |  | $ | 1,499,770 |  |  | $ | 5,544,485 |  |  | $ | (5,745,322 | ) |  | $ | (17,367 | ) |  | $ | 17,367 |  |  | $ | 1,299,139 |
The Company repurchased 178 shares of its common stock during the nine months ended September 30, 2016. The Company settles stock option exercises and vesting of restricted share units by issuing shares of treasury stock. Approximately 77 shares were issued from the treasury account during the nine months ended September 30, 2016 in settlement of stock option exercises and vesting of restricted share units. Shares are relieved from the treasury account based on the weighted average cost basis of treasury shares acquired.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21484-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21488-112644 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(31)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(d)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Preferred Stock -URI http://asc.fasb.org/extlink&oid=6521494 Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 16: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21564-112644 + Details
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