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Note 15 - Leases - Operating Lease Balance Sheet Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Operating lease cost	$ 63,973	$ 53,723
Total lease cost	63,973	$ 53,723
Operating right-of-use assets	430,206		$ 487,325
Operating lease liabilities, current portion	230,072		234,309
Operating lease liabilities, non-current portion	211,442		264,163
Total operating lease liabilities	$ 441,514		$ 498,472
Weighted average remaining lease term (in years) – operating leases (Year)	2 years 14 days		2 years 94 days
Weighted average discount rate – operating leases	5.50%		5.50%

X

- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

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-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

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X

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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- Definition

Amount of lessee's right to use underlying asset under operating lease.

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- Definition

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

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- 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.

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