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Note 1 - Organization and Summary of Significant Accounting Policies - Accrued Expenses (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Employee wages and benefits	$ 405,758	$ 447,881
Research and development expenses	194,250	28,508
Other	$ 109,552	$ 13,367

X

- Definition

Represents current accrued research and development in process.

+ References

No definition available.

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- Definition

Total of the carrying values as of the balance sheet date of obligations incurred through that date and payable for obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 210
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