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Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2021

Accounting Policies [Abstract]

Schedule of Computation of Basic and Diluted Earnings per Share

The following table sets forth the computation of basic and diluted earnings per share:

			Three Months Ended June 30,												Six Months Ended June 30,
(in thousands, except per share amounts)			2021						2020						2021						2020
Numerator:
Net loss used for basic and diluted loss per share			$	(6,763)					$	(7,397)					$	(11,948)					$	(11,492)
Denominator:
Weighted-average shares used to compute basic and diluted net loss per share			38,761						14,492						37,967						12,201
Net loss per share attributable to common stockholders:
Basic and diluted			$	(0.17)					$	(0.51)					$	(0.31)					$	(0.94)

Schedule of Antidilutive Securities Excluded from the Calculation of Diluted Net Loss per Share

The following table sets forth the outstanding potentially dilutive securities that have been excluded in the calculation of diluted net loss per share because their effect was anti-dilutive:

			June 30,
			2021						2020
Options to purchase Common Stock			2,966,843						1,924,039
Warrants to purchase Common Stock			4,490,159						12,329,435
Restricted Stock Units			—						2,241
Series A Convertible Preferred Stock			877						877
Series E Convertible Preferred Stock			2,684,607						3,548,459
			10,142,486						17,805,051

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- References

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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=6371337&loc=d3e3550-109257

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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