Stock Based Compensation - Restricted Stock Units (Details) - Restricted Stock Units	6 Months Ended
Jun. 30, 2022 $ / shares shares
Stock Based Compensation
Vesting period	3 years
Shares
Unvested shares beginning balance \| shares	275,400
Unvested shares, Forfeited \| shares	(77,500)
Unvested shares ending balance \| shares	197,900
Weighted average grant date fair value
Weighted average grant date fair value, beginning balance \| $ / shares	$ 5.57
Weighted average grant date fair value, forfeited \| $ / shares	5.62
Weighted average grant date fair value, ending balance \| $ / shares	$ 5.55

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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-Publisher FASB
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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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-Publisher FASB
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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.

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