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Stockholders' Equity and Stock-based Compensation - Schedule of Warrants Outstanding and Exercisable (Details)	3 Months Ended
	Mar. 31, 2019 $ / shares shares
Warrant [Member]
Warrants Outstanding | shares	1,732,918
Exercise Price | $ / shares	$ 1.94
Lender Warrants [Member]
Issue Date	May 11, 2015
Warrants Outstanding | shares	125,000
Exercise Price | $ / shares	$ 1.79
Expiration Date	May 11, 2025
Settlement Warrants [Member]
Issue Date	Aug. 16, 2016
Warrants Outstanding | shares	40,000
Exercise Price | $ / shares	$ 3.75
Expiration Date	Aug. 16, 2021
PIPE Investor and Placement Agent Warrants [Member]
Issue Date	Dec. 27, 2016
Warrants Outstanding | shares	952,532
Exercise Price | $ / shares	$ 1.79
Expiration Date	Dec. 27, 2019
Lender Warrants One [Member]
Issue Date	Jul. 19, 2017
Warrants Outstanding | shares	615,386
Exercise Price | $ / shares	$ 2.08
Expiration Date	Jul. 19, 2024

X

- Definition

Warrants expiration date.

+ References

No definition available.

+ Details

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X

- Definition

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+ References

No definition available.

+ Details

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X

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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X

- Definition

Number of warrants or rights outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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