Earnings per share (Tables)

3 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Schedule of Reconciliation of Weighted Average Shares Used in Calculation of Basic and Diluted Net (Loss) Income Per Share

The following is a reconciliation of the weighted average shares used in the basic and diluted net loss per common share computations.

	Three Months Ended March 31,
	2016		2015
Weighted average common shares-basic		18,477,881		18,731,985
Effect of dilutive securities:
Unexercised stock options net of treasury share repurchase		271,520		—
Weighted average common shares-diluted		18,749,401		18,731,985