Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash flows from operating activities
Net loss	$ (11,757)	$ (1,678)
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:
Depreciation and amortization	10,691	11,140
Deferred financing cost amortization	139	65
Bad debt expense (recoveries)	(1)	0
Deferred income taxes	(2,866)	2,593
Stock-based compensation	1,526	1,122
Gain on sale of property and equipment	(93)	(148)
Change in operating assets and liabilities:
Accounts receivable	(13,797)	12,679
Income tax receivable	(3,222)	(292)
Inventory	(430)	(1,111)
Note receivable	5	39
Prepaid expenses and other	(149)	328
Costs and estimated earnings in excess of billings on uncompleted contracts	5,721	1,250
Accounts payable	4,229	(10,651)
Accrued liabilities	(468)	(1,569)
Income tax payable	0	(262)
Billings in excess of costs and estimated earnings on uncompleted contracts, net	8,882	194
Deferred revenue	(28)	(29)
Net cash (used in) operating activities	(1,618)	13,670
Cash flows from investing activities:
Proceeds from sale of property and equipment	252	371
Purchase of property and equipment	(18,689)	(9,691)
Net cash used in investing activities	(18,437)	(9,320)
Cash flows from financing activities:
Borrowings from Credit Facility	13,000	0
Exercise of stock options	13	182
Increase in loan costs	(4)	0
Purchase of shares into treasury	0	(3,003)
Net cash provided by (used in) financing activities	13,009	(2,821)
Net change in cash and cash equivalents	(7,046)	1,529
Cash and cash equivalents at beginning of period	38,979	23,174
Cash and cash equivalents at end of period	31,933	24,703
Supplemental disclosures of cash flow information, cash paid during the period for:
Interest	350	103
Taxes (net of refunds)	$ 30	$ (3,278)