Earnings (Loss) Per Share - Basic and Diluted (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Basic:
Weighted average shares outstanding	27,352,523	27,422,658	27,478,514	27,410,384
Effect of dilutive securities:
Common stock options	0	0	0	0
Total weighted average shares outstanding assuming dilution	27,352,523	27,422,658	27,478,514	27,410,384
Shares of common stock issued from the exercise of stock options	0	33,908	3,970	54,922
Stock options
Effect of dilutive securities:
Anti-dilutive stock options	950,817	774,113	954,328	794,133