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Note 3 - Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Cash, Uninsured Amount	$ 134,000	$ 600,000
Inventory Write-down	305,000	296,000
Impairment of Intangible Assets, Finite-lived	0	0
Goodwill, Impairment Loss	$ 1,326,566	636,000
Number of Reporting Units	2
Long-term Debt, Total	$ 9,251,547	6,379,494
Advertising Expense	249,000	154,000
Share-based Payment Arrangement, Expense	$ 2,050,862	$ 142,017
Client Acquisition Costs [Member]
Finite-Lived Intangible Asset, Useful Life	4 years	4 years
Other Current Assets [Member]
Prepaid PCI Annual Fees	$ 345,000	$ 430,000
Prepaid Annual Fee Commissions	$ 663,000	674,000
Weighted Average [Member]
Merchant Contracts, Term	3 years
Russia and Cayman Islands [Member]
Cash, Uninsured Amount	$ 30,000	$ 74,000

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