Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Cash Flows From Operating Activities
Net Loss	$ (31,812)	$ (18,933)
Adjustments to reconcile net loss to net cash used in operating activities, net of assets acquired and disposed of:
Provision for bad debts	866	361
Share-based compensation	1,784	2,191
Depreciation and amortization	1,821	1,325
Amortization of original issue discount	50
Amortization of deferred financing costs	57	32
Issuance of stock and warrants in exchange for services received	20	6
PIK notes issued for interest	137
Asset impairment	5,282
Loss on disposition of fixed assets	(2)	107
Goodwill impairment	1,435	5,846
Changes in assets and liabilities, net of business acquisitions and dispositions
Accounts receivable	9,272	(12,511)
Inventories	(17)
Costs and estimated earnings in excess of billings on uncompleted contracts	(2,357)	5,911
Prepaid expenses and other current assets	337	(201)
Assets of discontinued operations	7,361	2,401
Accounts payable	(6,727)	5,317
Accrued expenses	771	1,259
Billings in excess of costs and estimated earnings on uncompleted contracts	(3,516)	2,451
Other current liabilities	5,110	(545)
Liabilities of discontinued operations	(3,449)	737
Net cash used in operating activities	(13,577)	(4,246)
Cash Flows From Investing Activities
Net proceeds from sale of property and equipment		765
Purchases of property and equipment	(986)	(5,357)
Decrease in restricted cash	225	1,188
Net cash used in investing activities	(761)	(3,404)
Cash Flows From Financing Activities
Proceeds from long-term debt	6,050	3,600
Payments of long-term debt	(234)	(481)
Debt issuance costs	(37)	(260)
Proceeds from issuance of common stock	2,550
Costs related to stock issuances	(60)
Proceeds from issuance of shares for benefit plans	171	65
Net cash provide by (used in) financing activities	8,440	2,924
Decrease in Cash and Cash Equivalents	(5,898)	(4,726)
Cash and Cash Equivalents, at beginning of period	8,290
Cash and Cash Equivalents, at end of period	2,392	8,290
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest - continuing operations	217	31
Cash paid during the period for interest - discontinued operations	2	6
Stock, warrants and options issued in exchange for services received	$ 20	$ 6