Income Taxes (State Income Tax Expense) (Details) - USD ($)	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Current state taxes	$ 29,400	$ 52,400
Deferred state taxes	(47,400)
Income tax expense	$ (18,000)	$ 52,400

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (b)
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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Name:	us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration