Consolidated Statements of Operations (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Contract revenues	$ 81,258,000	$ 75,059,000
Costs of contract revenues	73,611,000	69,232,000
Gross profit	7,647,000	5,827,000
Selling, general and administrative expenses	7,964,000	7,691,000
Loss from operations	(317,000)	(1,864,000)
Other income (expense)
Gain from sale of assets, net	93,000	3,000
Other income	0	298,000
Interest income	10,000	10,000
Interest expense	(130,000)	(184,000)
Other (expense) income , net	(27,000)	127,000
Loss before income taxes	(344,000)	(1,737,000)
Income tax expense (benefit)	(134,000)	(640,000)
Net loss	(210,000)	(1,097,000)
Net loss attributable to noncontrolling interest	0	(7,000.00)
Net loss	$ (210,000)	$ (1,090,000)
Basic loss per share (in dollars per share)	$ (0.01)	$ (0.04)
Diluted loss per share (in dollars per share)	$ (0.01)	$ (0.04)
Shares used to compute loss per share
Basic (shares)	27,397,877	27,229,792
Diluted (shares)	27,397,877	27,229,792