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Note 13 - Commitments - Lease Expense (Details)	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Operating lease cost	$ 39,555	$ 118,664
Total lease cost	$ 39,555	118,664
Operating cash flows from operating leases		118,664
Right-of-use assets obtained in exchange for new operating lease liabilities
Weighted-average remaining lease term - operating leases (Year)	146 days	146 days
Weighted-average discount rate - operating leases	9.20%	9.20%

X

- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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X

- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
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X

- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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X

- Definition

Weighted average discount rate for operating lease calculated at point in time.

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-Publisher FASB
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X

- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
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X

- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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