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NET LOSS PER SHARE ATTRIBUTABLE TO COMMON STOCK (Tables)

6 Months Ended

Jun. 30, 2017

NET LOSS PER SHARE ATTRIBUTABLE TO COMMON STOCK

Schedule of reconciliation of the net loss per share attributable to common stock

		Three Months Ended June 30,						Six Months Ended June 30,
		2017			2016			2017			2016
Net loss		$	(14,809)		$	(11,589)		$	(23,963)		$	(20,189)
Income allocable to unvested participating restricted stock			—			—			—			—
Basic loss attributable to common stock		$	(14,809)		$	(11,589)		$	(23,963)		$	(20,189)
Reallocation of participating earnings			—			—			—			—
Diluted loss attributable to common stock		$	(14,809)		$	(11,589)		$	(23,963)		$	(20,189)
Weighted average common shares outstanding:
Basic			21,682,757			21,605,262			21,671,212			21,593,317
Dilutive common stock options, restricted stock unit awards and non-participating restricted stock awards			—			—			—			—
Diluted			21,682,757			21,605,262			21,671,212			21,593,317
Basic loss attributable to a share of common stock		$	(0.68)		$	(0.54)		$	(1.11)		$	(0.93)
Diluted loss attributable to a share of common stock		$	(0.68)		$	(0.54)		$	(1.11)		$	(0.93)

Schedule of weighted average numbers of stock options, restricted stock units, and non-participating restricted stock awards that have been excluded from the calculation of diluted loss per share attributable to common stock

		Three Months Ended June 30,							Six Months Ended June 30,
		2017			2016					2017			2016
Stock options			352,797			416,245				358,137			419,934
Restricted stock unit awards			247,260			301,142				250,270			263,977
Non-participating restricted stock awards			71,167			87,000				75,461			65,489
Total			671,224			804,387				683,868			749,400

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- References

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- Definition

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

+ References

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

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

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

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