For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

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Note 2 - Summary of Significant Accounting Policies - Concentrations (Details) - customer	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue Benchmark
Concentrations
Number of Major Customers		2
Customer Concentration Risk \| Revenue Benchmark \| Customer A
Concentrations
Concentration Risk, Percentage	23.00%
Customer Concentration Risk \| Revenue Benchmark \| Customer C
Concentrations
Concentration Risk, Percentage	11.00%
Customer Concentration Risk \| Revenue Benchmark \| Total Customer Base
Concentrations
Concentration Risk, Percentage	70.00%
Customer Concentration Risk \| Accounts Receivable. \| Total Customer Base
Concentrations
Concentration Risk, Percentage	60.00%	66.00%