Summary of Significant Accounting Policies - Stock Options, Warrants, and Restricted Common Stock (Details) - shares	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Weighted average shares outstanding used in calculating basic and diluted earnings per share
Basic Weighted Average Shares Outstanding	51,288,424	50,686,044
Diluted Weighted Average Shares Outstanding	51,288,424	50,686,044

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1448-109256

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration