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Common Stock Purchase Warrants - Summary of Warrant Activity (Details) - Warrants [Member] - $ / shares	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Warrants, Vested, Beginning balance	4,824,573	4,693,145
Warrants, Granted	1,273,374	678,428
Warrants, Exercised	(2,704,583)	(529,000)
Warrants, Cancelled	(5,000)	(18,000)
Warrants, Vested, Ending balance	3,388,364	4,824,573
Weighted average exercise price, Vested, Beginning balance	$ 5.15	$ 5.4
Weighted average exercise price, Granted	1.31	1.75
Weighted average exercise price, Exercised	(1.95)	(2.96)
Weighted average exercise price, Cancelled	(16.50)	(3.50)
Weighted average exercise price, Vested, Ending balance	$ 6.24	$ 5.15

X

- Definition

Weighted average exercise price, Exercised.

+ References

No definition available.

+ Details

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- Definition

Weighted average exercise price, Cancelled.

+ References

No definition available.

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X

- Definition

Weighted average exercise price, Granted.

+ References

No definition available.

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- Definition

Weighted average exercise price, Vested

+ References

No definition available.

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X

- Definition

Number of non-option equity instruments exercised by participants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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X

- Definition

Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Net number of non-option equity instruments granted to participants.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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