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Stock-Based Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2019
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of share-based compensation expense | Stock compensation expense consisted of the following for the years ended December 31:
|  | 2019 |  | 2018 |  | 2017
Share-based compensation - employees |  | $ | 1,481,016 |  |  | $ | 1,244,606 |  |  | $ | 1,032,094 |
Share-based compensation - nonemployees |  | 4,882 |  |  | 120,092 |  |  | 82,969 |
Share-based compensation - foundation contribution |  | — |  |  | $ | — |  |  | 372,500 |
Total share-based compensation |  | $ | 1,485,898 |  |  | $ | 1,364,698 |  |  | $ | 1,487,563 |
Schedule of stock options activity | Stock option activity for 2019 and 2018 was as follows:
|  | Number of shares |  | Weighted-average exercise price per share |  | Weighted- average remaining contractual term (years) |  | Aggregate intrinsic value
Outstanding, December 31, 2017 |  | 5,800 |  |  | $ | 13.00 |  |  | 1.9 |  | $ | — |
Options granted |  | — |  |  | — |  |  |  |  |
Options exercised |  | — |  |  | — |  |  |  |  |
Options forfeited or expired |  | — |  |  | — |  |  |  |  |
Outstanding, December 31, 2018 |  | 5,800 |  |  | 13.00 |  |  | 0.9 |  | — |
Options granted |  | — |  |  | — |  |  |  |  |
Options exercised |  | — |  |  | — |  |  |  |  |
Options forfeited or expired |  | (5,800) |  |  | 13.00 |  |  |  |  |
Outstanding, December 31, 2019 |  | — |  |  | — |  |  | 0 |  | — |
Exercisable at December 31, 2019 |  | — |  |  | $ | — |  |  | 0 |  | $ | — |
Schedule of stock options activity, additional disclosures | Information related to the stock option plans during 2019, 2018 and 2017 was as follows:
|  | 2019 |  | 2018 |  | 2017
Intrinsic value of options exercised |  | $ | — |  |  | $ | — |  |  | $ | — |
Weighted-average fair value of options exercised |  | $ | — |  |  | $ | — |  |  | $ | — |
Schedule of restricted stock activity | Restricted stock activity was as follows:
|  | Number of shares |  | Weighted- average grant-date fair value
Nonvested, December 31, 2017 |  | 767,845 |  |  | $ | 5.61 |
Shares granted |  | 261,680 |  |  | 6.66 |
Shares vested |  | (170,759) |  |  | 4.79 |
Shares forfeited |  | (25,025) |  |  | 6.19 |
Nonvested, December 31, 2018 |  | 833,741 |  |  | 6.09 |
Shares granted |  | 229,669 |  |  | 5.95 |
Shares vested |  | (225,536) |  |  | 6.71 |
Shares forfeited |  | (22,925) |  |  | 6.20 |
Nonvested, December 31, 2019 |  | 814,949 |  |  | $ | 5.88 |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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