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Net Income (Loss) Per Share - Additional Information (Details) - shares	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net Income (Loss) Per Share [Line Items]
Diluted weighted average common shares outstanding	9,479,742	10,201,606
Warrant
Net Income (Loss) Per Share [Line Items]
Diluted weighted average common shares outstanding		10,532
Options Outstanding
Net Income (Loss) Per Share [Line Items]
Diluted weighted average common shares outstanding		831,512

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- Definition

Net income (loss) per share.

+ References

No definition available.

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- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=96947427&loc=d3e1505-109256

Reference 2: 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

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