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Stockholders' Equity - Summary of Warrants Outstanding (Details) - USD ($)	6 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Summary of warrants outstanding
Number of Warrants Outstanding (shares)	284,091	284,091
Common Stock Warrant Liability	$ 228,665	$ 360,795
March 2013 financing
Summary of warrants outstanding
Exercise price (dollars per share)	$ 3.17
Expiration Date	Sep. 12, 2018
Number of Warrants Outstanding (shares)	284,091	284,091
Common Stock Warrant Liability	$ 228,665	$ 360,795

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Common stock warrants expiration date.

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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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Number of warrants or rights outstanding.

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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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Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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