Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Net Loss Per Share (Details) - shares	3 Months Ended		9 Months Ended
Net Loss Per Share (Details) - shares	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Unvested Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share
Anti-dilutive stock options not considered in computing diluting earnings per common share	25,011,173		25,011,173
Warrant
Antidilutive Securities Excluded from Computation of Earnings Per Share
Anti-dilutive stock options not considered in computing diluting earnings per common share	12,081,895	12,058,500	12,081,895	12,058,500