Equity Plan - Unrecognized Compensation Cost -Nonvested Stock Options (Details)	12 Months Ended
Dec. 31, 2022 USD ($)
Options
Unrecognized Compensation Cost
Total unrecognized compensation cost related to nonvested stock options granted	$ 1,294,000
Expected weighted-average period for recognition of compensation costs related to nonvested stock options	2 years 7 months 28 days
Restricted stock
Unrecognized Compensation Cost
Expected weighted-average period for recognition of compensation costs related to nonvested stock options	1 year 10 months 24 days

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration