Net Income (Loss) Per Common Share (Tables)

12 Months Ended

Dec. 31, 2015

Earnings Per Share [Abstract]

Weighted average number of common shares outstanding during the period

Net income (loss) per common share, as shown on the accompanying Consolidated Statements of Operations, is determined on the basis of the weighted average number of common shares outstanding during the periods as follows:

	2015		2014		2013
Weighted average common shares outstanding basic		30,616,485		32,232,965		33,588,720
Dilutive effect of stock options and restricted stock		327,208		471,047		454,705
Weighted average common shares outstanding diluted		30,943,693		32,704,012		34,043,425