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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2020
Stock-Based Compensation [Abstract] |
Summary of Stock Option Activity | The following table summarizes stock option activity during the years ended December 31, 2020 and 2019:
|  | 2020 |  |  | 2019 |
|  | Number Outstanding |  |  | Weighted Average Exercise Price |  |  | Number Outstanding |  |  | Weighted Average Exercise Price |
Outstanding at beginning of year |  |  | 455,000 |  |  | $ | 1.67 |  |  |  | 537,500 |  |  | $ | 2.19 |
Granted during the year |  | ‑ |  |  | ‑ |  |  | ‑ |  |  | ‑ |
Exercised during the year |  | ‑ |  |  | ‑ |  |  | ‑ |  |  | ‑ |
Forfeited or expired during the year |  |  | (5,000 | ) |  |  | 6.00 |  |  |  | (82,500 | ) |  |  | 4.98 |
Outstanding at end of year |  |  | 450,000 |  |  | $ | 1.62 |  |  |  | 455,000 |  |  | $ | 1.67 |
Exercisable at end of year |  |  | 360,000 |  |  | $ | 1.62 |  |  |  | 275,000 |  |  | $ | 1.70 |
Options Outstanding and Exercisable | Options outstanding and exercisable at year‑end 2020 were as follows:
|  | Outstanding |  |  | Exercisable |
Grant Date |  | Number Outstanding |  | Weighted Average Remaining Contractual Life |  | Weighted Average Exercise Price |  |  | Aggregate Intrinsic Value |  |  | Number Outstanding |  |  | Weighted Average Exercise Price |  |  | Aggregate Intrinsic Value |
February 24, 2016 |  |  | 450,000 |  | 5.15 years |  | $ | 1.62 |  |  |  |  |  |  | 360,000 |  |  | $ | 1.62 |  |  |  |
|  |  | 450,000 |  | 5.15 years |  | $ | 1.62 |  |  | $ | 103,500 |  |  |  | 360,000 |  |  | $ | 1.62 |  |  | $ | 82,800 |

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + 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=120381028&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=120381028&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=120381028&loc=d3e5070-113901 + Details
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