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Net Income (Loss) Per Common Share Weighted average number of common shares outstanding during the period (Details)	3 Months Ended	9 Months Ended
	Jun. 30, 2013	Sep. 30, 2014 Stock Option	Sep. 30, 2013 Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Options to purchase common stock outstanding (in shares)	435,559	198,500	123,900

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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