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Description of Business and Summary of Accounting Principles - Antidilutive shares (Details) - shares	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Antidilutive shares
Shares excluded from the calculation of diluted loss per share because such amounts were antidilutive	24,332,213	21,635,589	24,276,642	18,044,750
Shares issuable upon conversion of Series A Preferred Stock
Antidilutive shares
Shares excluded from the calculation of diluted loss per share because such amounts were antidilutive	9,795,106	9,975,106	9,795,118	9,795,118
Shares issuable upon conversion of Series B Preferred Stock
Antidilutive shares
Shares excluded from the calculation of diluted loss per share because such amounts were antidilutive	6,391,334	6,199,568	6,391,198	3,486,962
Shares issuable upon conversion of Series C Preferred
Antidilutive shares
Shares excluded from the calculation of diluted loss per share because such amounts were antidilutive	918,910		876,734
Shares issuable upon exercise of warrants
Antidilutive shares
Shares excluded from the calculation of diluted loss per share because such amounts were antidilutive	2,364,697	2,217,349	2,361,926	2,003,406
Shares issuable upon exercise of stock options
Antidilutive shares
Shares excluded from the calculation of diluted loss per share because such amounts were antidilutive	4,862,166	3,243,566	4,851,666	2,759,264

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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482662/260-10-50-1

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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