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Note R - Equity - Valuation Assumptions for Warrants (Details) - Referral Fee Warrants [Member]	Dec. 31, 2020	Dec. 31, 2019
Measurement Input, Risk Free Interest Rate [Member]
Warrant measurement input	0.0033	0.0182
Measurement Input, Share Price [Member]
Warrant measurement input	9.25	12
Measurement Input, Expected Term [Member]
Warrant measurement input	5	5
Measurement Input, Price Volatility [Member]
Warrant measurement input	1.1	0.83

X

- Definition

Value of input used to measure outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

+ Details

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- Details

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- Details

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- Details

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