Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 item	Dec. 31, 2011
Discontinued Operations
Number of businesses reported as discontinued operations	2
Revenue and loss related to discontinued operations
Revenue	$ 35,920	$ 57,447
Operating Loss	(11,239)	(9,574)
Assets and liabilities related to discontinued operations
Accounts Receivable	9,664	11,086
Inventory		630
Costs and estimated earnings in excess of billings on uncompleted contracts	1,210	6,143
Prepaid expenses and other	17	393
Total current assets	10,891	18,252
Deferred financing costs	51
Net Property and Equipment, net	193	452
Goodwill	5,337	6,772
Intangibles		2,046
Total long-term assets	5,581	9,270
Total Assets	16,472	27,522
Current portion of long-term debt	8	54
Accounts Payable	2,178	4,524
Accrued Expense	2,781	2,213
Billings in excess of costs and estimated earnings on uncompleted contracts	7,550	9,191
Customer Deposits		31
Total current liabilities	12,517	16,013
Long-Term Debt, less current portion	5	13
Total Liabilities	$ 12,522	$ 16,026