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Net Loss per Common Share (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Anti-dilutive securities excluded from the computation of earnings per share

The following potentially dilutive securities were excluded from the computation of earnings per share as of September 30, 2021 and 2020 because their effects would be anti-dilutive:

		September 30,
		2021				2020
Stock options			1,698,249				499
Common stock warrants - equity			3,894,509				3,991,373
Common stock reserved for conversion of preferred shares			1,170,721				2,147,394
Assumed conversion of convertible notes			488,031				146,288
Total			7,251,510				6,285,554

Summary of reconciliation of weighted average shares outstanding calculation

The following table provides a reconciliation of the weighted average shares outstanding calculation for the three and nine months ended September 30, 2021 and 2020:

	Three months ended September 30,								Nine months ended September 30,
	2021				2020				2021				2020
Weighted average shares issued		7,354,428				3,917,593				6,665,826				2,015,863
Weighted average pre-funded warrants		233,215				371,000				257,715				201,748
Weighted average shares outstanding		7,587,643				4,288,593				6,923,541				2,217,611

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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- Definition

Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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