Stockholders' Equity	12 Months Ended
Dec. 31, 2017
Equity [Abstract]
Stockholders' Equity	Stockholders’ Equity On November 10, 2006, the Board of Directors approved a stock repurchase program authorizing the Company to repurchase up to an authorized number of shares of its common stock on the open market or through privately negotiated transactions at prices determined by the President of the Company during the term of the program. The Company’s Board of Directors has authorized several increases and annual extensions of this stock repurchase program, and, as of December 31, 2017, 1,132,946 shares remained authorized for repurchase through March 31, 2018. The Company did not repurchase any shares of its stock in 2017 and 2016. The Company repurchased 92,804 shares of its stock in the third quarter of 2015, its only purchases in 2015. The Company also has a broker agreement to repurchase stock in the open market at certain trigger points pursuant to a Rule 10b5-1 plan announced on November 28, 2007.

Stockholders' Equity

12 Months Ended

Dec. 31, 2017

Stockholders’ Equity

On November 10, 2006, the Board of Directors approved a stock repurchase program authorizing the Company to repurchase up to an authorized number of shares of its common stock on the open market or through privately negotiated transactions at prices determined by the President of the Company during the term of the program. The Company’s Board of Directors has authorized several increases and annual extensions of this stock repurchase program, and, as of December 31, 2017, 1,132,946 shares remained authorized for repurchase through March 31, 2018. The Company did not repurchase any shares of its stock in 2017 and 2016. The Company repurchased 92,804 shares of its stock in the third quarter of 2015, its only purchases in 2015. The Company also has a broker agreement to repurchase stock in the open market at certain trigger points pursuant to a Rule 10b5-1 plan announced on November 28, 2007.