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Equity - Summary of Warrant Activity (Details) - Warrants [Member] - $ / shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Number of shares warrants, outstanding at beginning of year	2,654,423	2,654,423
Number of shares warrants, granted
Number of shares warrants, exercised
Number of shares warrants, forfeited or expired	262,281
Number of shares warrants, outstanding at end of year	2,392,142	2,654,423
Weighted average exercise price, outstanding at beginning of year	$ 1.46	$ 1.46
Weighted average exercise price, granted
Weighted average exercise price, exercised
Weighted average exercise price, forfeited or expired	3.14
Weighted average exercise price, outstanding at end of year	$ 1.28	$ 1.46

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- Definition

Weighted Average Exercise Price, Outstanding at beginning of year.

+ References

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- Definition

Weighted average exercise price, exercised.

+ References

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- Definition

Weighted average exercise price, forfeited or expired.

+ References

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- Definition

Weighted average exercise price, granted.

+ References

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- 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=109197908&loc=d3e5070-113901

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- Definition

Number of shares under non-option equity instrument agreements that were either cancelled or expired.

+ 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)-(4)
-URI http://asc.fasb.org/extlink&oid=109197908&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=109197908&loc=d3e5070-113901

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- Definition

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

+ 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=109197908&loc=d3e5070-113901

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