Earnings (Loss) Per Share - Basic and Diluted (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Basic:
Weighted average shares outstanding	27,421,441	27,296,732	27,138,927
Effect of dilutive securities:
Common stock options	366,172	316,322	0
Total weighted average shares outstanding assuming dilution	27,787,613	27,613,054	27,138,927
Shares of common stock issued from the exercise of stock options	143,282	155,731	56,658