Consolidated Statement of Stockholders' Equity (USD $)	Total	Common Stock	Treasury Stock	Additional Paid-In	Retained
Beginning at Dec. 31, 2013	$ 227,812,000	$ 278,000	$ (3,003,000)	$ 163,970,000	$ 66,567,000
Treasury stock, shares at Dec. 31, 2013	(317,731)		317,731
Balance, shares at Dec. 31, 2013	27,731,790	27,710,775
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	407,000			407,000
Exercise of stock options	136,000	0		136,000
Exercise of stock options, shares	21,014	21,014
Net income (loss)	(210,000)				(210,000)
Net Income (Loss) Attributable to Noncontrolling Interest	0
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(210,000)
Beginning at Mar. 31, 2014	$ 228,145,000	$ 278,000	$ (3,003,000)	$ 164,513,000	$ 66,357,000
Treasury stock, shares at Mar. 31, 2014			(317,731)
Balance, shares at Mar. 31, 2014		27,731,789