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Equity Plan - Unrecognized Compensation Cost - Nonvested Stock Options (Details) - Options	12 Months Ended
	Dec. 31, 2020 USD ($)
Unrecognized Compensation Cost
Total unrecognized compensation cost related to nonvested stock options granted	$ 894,000
Expected weighted-average period for recognition of compensation costs related to nonvested stock options	2 years 7 months 17 days

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- References

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

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