Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities
Net loss	$ (885)	$ (11,757)
Adjustments to reconcile net loss to net cash provided by (used in)
Depreciation and amortization	10,728	10,691
Deferred financing cost amortization	35	139
Bad debt expense (recoveries)	(3)	(1)
Deferred income taxes	(747)	(2,866)
Stock-based compensation	1,132	1,526
Gain on sale of property and equipment	(48)	(93)
Change in operating assets and liabilities:
Accounts receivable	14,905	(13,797)
Income tax receivable	269	(3,222)
Inventory	(869)	(430)
Note receivable	0	5
Prepaid expenses and other	930	(149)
Costs and estimated earnings in excess of billings on uncompleted contracts	(647)	5,721
Accounts payable	(9,324)	4,229
Accrued liabilities	(2,762)	(468)
Income tax payable	86	0
Billings in excess of costs and estimated earnings on uncompleted contracts, net	(5,700)	8,882
Deferred revenue	(29)	(28)
Net cash provided by (used in) operating activities	7,071	(1,618)
Cash flows from investing activities:
Proceeds from sale of property and equipment	81	252
Purchase of property and equipment	(6,917)	(18,689)
Net cash used in investing activities	(6,836)	(18,437)
Cash flows from financing activities:
Borrowings from Credit Facility	0	13,000
Payments made on borrowings from Credit Facility	(3,278)	0
Contributions from non-controlling interest	33	0
Exercise of stock options	510	13
Increase in loan costs	0	4
Net cash (used in) provided by financing activities	(2,735)	13,009
Net change in cash and cash equivalents	(2,500)	(7,046)
Cash and cash equivalents at beginning of period	43,084	38,979
Cash and cash equivalents at end of period	40,584	31,933
Supplemental disclosures of cash flow information, cash paid during the period for:
Interest	337	350
Taxes (net of refunds)	$ (269)	$ 30