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Net Loss Per Share (Details Textual) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Jun. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Earnings Per Share [Abstract]
Shares upon the exercise of outstanding stock options		1,067,527
Unvested restricted stock				158,571
Exercise of outstanding stock options	1,055,691		1,055,691
Shares of unvested restricted stock	79,286		79,286

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Unvested restricted stock.

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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.

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Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards.

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Number of share options (or share units) exercised during the current period.

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