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Stock-Based Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of share-based compensation expense | Stock compensation expense recorded as a component of equity consisted of the following for the years ended December 31:
|  | 2013 |  | 2012 |  | 2011
Share-based compensation - employees |  | $ | 614,818 |  |  | $ | 555,898 |  |  | $ | 627,353 |
Share-based compensation - nonemployees |  | 56,116 |  |  | 76,920 |  |  | 128,158 |
Total share-based compensation |  | $ | 670,934 |  |  | $ | 632,818 |  |  | $ | 755,511 |
Schedule of stock options activity | Stock option activity for 2013 and 2012 was as follows:
|  | Number of shares |  | Weighted- average exercise price per share |  | Weighted- average remaining contractual term (years) |  | Aggregate intrinsic value
Outstanding, December 31, 2011 |  | 1,276,158 |  |  | $ | 7.75 |  |  | 2.9 |  | $ | 700,294 |
Options granted |  | — |  |  | — |  |  |  |  |
Options exercised |  | (173,688 | ) |  | 3.55 |  |  |  |  |
Options forfeited or expired |  | (435,599 | ) |  | 12.22 |  |  |  |  |
Outstanding, December 31, 2012 |  | 666,871 |  |  | 5.93 |  |  | 1.4 |  | 132,348 |
Options granted |  | — |  |  | — |  |  |  |  |
Options exercised |  | (171,100 | ) |  | 3.50 |  |  |  |  |
Options forfeited or expired |  | (139,275 | ) |  | 6.25 |  |  |  |  |
Outstanding, December 31, 2013 |  | 356,496 |  |  | 6.96 |  |  | 1.0 |  | $ | 360 |
Exercisable at December 31, 2013 |  | 356,496 |  |  | $ | 6.96 |  |  | 1.0 |  | $ | 360 |
Schedule of stock options activity, additional disclosures | Information related to the stock option plans during 2013, 2012 and 2011 was as follows:
|  | 2013 |  | 2012 |  | 2011
Intrinsic value of options exercised |  | $ | 212,444 |  |  | $ | 495,480 |  |  | $ | 1,742,103 |
Weighted-average fair value of options exercised |  | $ | 0.12 |  |  | $ | 1.00 |  |  | $ | 2.06 |
Schedule of restricted stock activity | Restricted stock activity was as follows:
|  | Number of shares |  | Weighted- average grant-date fair value
Nonvested, December 31, 2011 |  | 136,170 |  |  | $ | 5.41 |
Shares granted |  | 286,453 |  |  | 4.87 |
Shares vested |  | (7,000 | ) |  | 5.28 |
Shares forfeited |  | (32,093 | ) |  | 5.68 |
Nonvested, December 31, 2012 |  | 383,530 |  |  | 4.99 |
Shares granted |  | 195,925 |  |  | 4.78 |
Shares vested |  | (17,193 | ) |  | 3.58 |
Shares forfeited |  | (41,678 | ) |  | 3.97 |
Nonvested, December 31, 2013 |  | 520,584 |  |  | 5.05 |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -Subparagraph b -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=6793087&loc=d3e301413-122809 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph g(1) -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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