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Note 5 - Intangible Assets - Intangible Assets (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019
Intangible assets, cost	$ 20,238,630	$ 19,886,966
Intangible assets, accumulated amortization	(14,889,978)	(14,208,317)
Intangible assets, carrying value	5,348,652	5,678,649
Computer Software, Intangible Asset [Member]
Intangible assets, cost	2,345,287	2,343,888
Intangible assets, accumulated amortization	(2,256,081)	(2,240,695)
Intangible assets, carrying value	$ 89,206	$ 103,193
Intangible assets, useful life (Year)	3 years	3 years
Portfolios and Client Lists [Member]
Intangible assets, cost	$ 7,714,665	$ 7,714,665
Intangible assets, accumulated amortization	(5,905,239)	(5,614,880)
Intangible assets, carrying value	$ 1,809,426	$ 2,099,785
Intangible assets, useful life (Year)	4 years	4 years
Client Acquisition Costs [Member]
Intangible assets, cost	$ 8,588,283	$ 8,238,018
Intangible assets, accumulated amortization	(5,138,263)	(4,762,347)
Intangible assets, carrying value	$ 3,450,020	$ 3,475,671
Intangible assets, useful life (Year)	4 years	4 years
PCI Certifiction [Member]
Intangible assets, cost	$ 449,000	$ 449,000
Intangible assets, accumulated amortization	(449,000)	(449,000)
Intangible assets, carrying value
Intangible assets, useful life (Year)	3 years	3 years
Trademarks [Member]
Intangible assets, cost	$ 703,586	$ 703,586
Intangible assets, accumulated amortization	(703,586)	(703,586)
Intangible assets, carrying value
Intangible assets, useful life (Year)	3 years	3 years
Internet Domain Names [Member]
Intangible assets, cost	$ 437,810	$ 437,810
Intangible assets, accumulated amortization	(437,810)	(437,810)
Intangible assets, carrying value
Intangible assets, useful life (Year)	3 years	3 years

X

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959

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-Topic 350
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-Section 50
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