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Stock Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
Schedule of Assumptions Used | The following table summarizes the assumptions used in estimating the fair value of each option granted along with the weighted-average fair value of the options granted. Schedule of Assumptions Used
|  |  |  |  |  |  | Assumptions |
Grant Date |  | Plan |  | Weighted-Average Fair Value of Each Option |  |  | Expected Dividend Yield (1) |  |  | Underlying stock FMV |  |  | Weighted-Average Volatility |  |  | Weighted-Average Risk-Free Interest Rate |  |  | Weighted-Average Expected Life (years) |
December 3, 2021 |  | All Plans |  | $ | 2.99 |  |  |  | 5 | % |  | $ | 8.62 |  |  |  | 36.50 | % |  |  | 1.15 | % |  |  | 5.31 |
March 27, 2020 |  | All Plans |  | $ | 0.65 |  |  |  | 5 | % |  | $ | 3.76 |  |  |  | 32.29 | % |  |  | 1.64 | % |  |  | 4.82 |
Schedule of Activity of Stock Option Plans | Activity of the stock option plans is summarized as follows: Schedule of Activity of Stock Option Plans
|  | Number of Class A Shares |  |  | Weighted Average Exercise Price |  |  | Number of Class C Shares |  |  | Weighted Average Exercise Price |
Outstanding at January 1, 2020 |  |  | 1,086,053 |  |  | $ | 4.20 |  |  |  | 594,132 |  |  | $ | 5.10 |
Adjustment for the effect of stock dividends |  |  | 27,968 |  |  |  |  |  |  |  | 19,354 |  |  |  |  |
Granted |  |  | 77,000 |  |  |  |  |  |  |  | 180,000 |  |  |  |  |
Exercised |  |  | (116,487 | ) |  |  |  |  |  |  | (130,820 | ) |  |  |  |
Cancelled |  |  | (1,671 | ) |  |  |  |  |  |  | - |  |  |  |  |
Outstanding at December 31, 2020 |  |  | 1,072,863 |  |  | $ | 4.12 |  |  |  | 662,666 |  |  | $ | 4.50 |
Adjustment for the effect of stock dividends |  |  | 47,594 |  |  |  |  |  |  |  | 33,136 |  |  |  |  |
Granted |  |  | 89,500 |  |  |  |  |  |  |  | 230,000 |  |  |  |  |
Exercised |  |  | (183,935 | ) |  |  |  |  |  |  | (104,656 | ) |  |  |  |
Cancelled |  |  | (1,671 | ) |  |  |  |  |  |  | - |  |  |  |  |
Outstanding at December 31, 2021 |  |  | 1,024,351 |  |  | $ | 4.61 |  |  |  | 821,146 |  |  | $ | 5.48 |
Exercisable at end of year |  |  | 934,851 |  |  | $ | 4.23 |  |  |  | 591,146 |  |  | $ | 4.26 |
Available options for future grant |  |  | 232,376 |  |  |  |  |  |  |  | 16,689 |  |  |  |  |
Weighted average contractual term of options outstanding at December 31, 2021 |  |  | 4.54 years |  |  |  |  |  |  |  | 7.24 years |  |  |  |  |
Weighted average contractual term of options exercisable at December 31, 2021 |  |  | 4.03 years |  |  |  |  |  |  |  | 6.62 years |  |  |  |  |
Aggregated intrinsic value of options outstanding at December 31, 2021 (1) |  | $ | 4,700,708 |  |  |  |  |  |  | $ | 3,009,168 |  |  |  |  |
Aggregated intrinsic value of options exercisable at December 31, 2021 (1) |  | $ | 4,648,798 |  |  |  |  |  |  | $ | 2,918,768 |  |  |  |  |

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- Definition Tabular disclosure of assumption used to determine benefit obligation and net periodic benefit cost of defined benefit plan. Includes, but is not limited to, discount rate, rate of compensation increase, expected long-term rate of return on plan assets and interest crediting rate. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + 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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