Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Name:	us-gaap_GoodwillImpairmentLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Goodwill (Narrative) (Details) - USD ($)	12 Months Ended
Goodwill (Narrative) (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2014	Dec. 31, 2020
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Goodwill	$ 2,791,000		$ 2,791,000
Goodwill impairment	$ 0
TPI, BEM And NB [Member]
Business Acquisition, Equity Interests Issued or Issuable [Line Items]
Aggregate consideration		$ 5,500,000
Goodwill		$ 2,800,000