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Warrants - Changes in warrant liability (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Warrants
Balance, beginning of period	$ 261,569	$ 374,694
Balance, end of period	262,909	261,569	$ 374,694
Level 3
Warrants
Balance, beginning of period	261,569	374,694	287,750
Additional warrants issued		0
Change in fair value	1,340	(113,125)	86,944
Balance, end of period	$ 262,909	$ 261,569	$ 374,694

X

- Definition

Represents change in fair value.

+ References

No definition available.

+ Details

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- Definition

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+ References

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- Definition

The fair value of shares that would be issued, determined under the conditions specified in the contract if the settlement were to occur at the reporting date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=109262807&loc=d3e22047-110879

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- Definition

Value of preferred stock and warrants for common stock issued.

+ References

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