Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Operating revenues	$ 76,944	$ 73,102	$ 152,384	$ 142,191
Operating costs	71,303	65,109	139,243	128,906
Gross profit	5,641	7,993	13,141	13,285
Selling, general and administrative expenses	7,821	6,759	15,073	15,079
Operating income (loss)	(2,180)	1,234	(1,932)	(1,794)
Other income (expense):
Other income (expense), net	(4)	(17)	(4)	(59)
Interest expense, net	(375)	(191)	(677)	(408)
Income (loss) from continuing operations before income taxes	(2,559)	1,026	(2,613)	(2,261)
Provision (benefit) for federal and state income taxes	5,195	454	5,195	(598)
Income (loss) from continuing operations	(7,754)	572	(7,808)	(1,663)
Loss from discontinued operations, net of taxes	(2,073)	(430)	(2,186)	(168)
Net income (loss)	(9,827)	142	(9,994)	(1,831)
Other comprehensive income
Foreign currency translation adjustment			(1)	(23)
Total other comprehensive expense			(1)	(23)
Comprehensive income (loss)	$ (9,827)	$ 142	$ (9,995)	$ (1,854)
Income (loss) per common share - basic:
Net income (loss) from continuing operations (in Dollars per share)	$ (0.29)	$ 0.02	$ (0.29)	$ (0.06)
Net income (loss) from discontinued operations (in Dollars per share)	$ (0.08)	$ (0.01)	$ (0.08)	$ (0.01)
Net income (loss) (in Dollars per share)	$ (0.37)	$ 0.01	$ (0.37)	$ (0.07)
Income (loss) per common share - diluted:
Net income (loss) from continuing operations (in Dollars per share)	$ (0.29)	$ 0.02	$ (0.29)	$ (0.06)
Net income (loss) from discontinued operations (in Dollars per share)	$ (0.08)	$ (0.01)	$ (0.08)	$ (0.01)
Net income (loss) (in Dollars per share)	$ (0.37)	$ 0.01	$ (0.37)	$ (0.07)
Weighted average shares used in computing income (loss) per share - basic (in Shares)	26,804	26,578	26,806	26,566
Weighted average shares used in computing income (loss) per share - diluted (in Shares)	26,804	26,958	26,806	26,566