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Stock Options and Restricted Stock Units (Details 2) | 12 Months Ended
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Dec. 31, 2021 $ / shares shares
Number of options outstanding | 47,167
Weighted average remaining contractual life (in years) | 5 years 1 month 28 days
Weighted average exercise price outstanding, beginning | $ / shares | $ 11.81
Number of options exercisable | 47,167
Option 1 |
Number of options outstanding | 5,000
Weighted average remaining contractual life (in years) | 3 years 10 months 20 days
Weighted average exercise price outstanding, beginning | $ / shares | $ 6.80
Number of options exercisable | 5,000
Exercise price range | 0.01 - 7.00
Option 2 |
Number of options outstanding | 10,000
Weighted average remaining contractual life (in years) | 1 year 8 months 26 days
Weighted average exercise price outstanding, beginning | $ / shares | $ 7.76
Number of options exercisable | 10,000
Exercise price range | 7.01 - 8.00
Option 3 |
Number of options outstanding | 3,667
Weighted average remaining contractual life (in years) | 5 years 5 months 12 days
Weighted average exercise price outstanding, beginning | $ / shares | $ 10.07
Number of options exercisable | 3,667
Exercise price range | 8.01 - 12.00
Option 4 |
Number of options outstanding | 20,500
Weighted average remaining contractual life (in years) | 6 years 7 months 9 days
Weighted average exercise price outstanding, beginning | $ / shares | $ 13.13
Number of options exercisable | 20,500
Exercise price range | 12.01 - 15.00
Option 5 |
Number of options outstanding | 8,000
Weighted average remaining contractual life (in years) | 6 years 5 months 1 day
Weighted average exercise price outstanding, beginning | $ / shares | $ 17.40
Number of options exercisable | 8,000
Exercise price range | 15.01 - 17.40

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + 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 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 (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + 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 (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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