Note 23 - Subsequent Events (Details Textual)	3 Months Ended	12 Months Ended
Apr. 14, 2020 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Proceeds from Convertible Debt		$ 178,000	$ 147,034	$ 1,045,914	$ 1,565,887
Subsequent Event [Member]
Proceeds from Convertible Debt	$ 208,000
Debt Instrument, Convertible, Number of Equity Instruments	130,000

The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration