Schedule of Stock Options Roll Forward (Details) (Parenthetical) - $ / shares |
9 Months Ended | |
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Sep. 30, 2021 |
Sep. 30, 2020 |
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| Stock Option Outstanding [Member] | ||
| Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items] | ||
| Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit | $ 2.79 | $ 2.79 |
| Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit | 7.50 | $ 7.05 |
| Stock Option Exercisable [Member] | ||
| Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items] | ||
| Share-based Payment Arrangement, Option, Exercise Price Range, Lower Range Limit | 2.79 | |
| Share-based Payment Arrangement, Option, Exercise Price Range, Upper Range Limit | $ 7.29 | |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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