Note 4 - Equipment - Property, Plant, and Equipment (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Cost	$ 163,597	$ 161,332
Accumulated depreciation	142,307	139,493
Net Book Value	21,290	21,839
Equipment and Computers [Member]
Cost	148,810	146,545
Accumulated depreciation	133,400	130,798
Net Book Value	15,410	15,747
Furniture and Fixtures [Member]
Cost	14,787	14,787
Accumulated depreciation	8,907	8,695
Net Book Value	$ 5,880	$ 6,092

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 1
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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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