CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income including noncontrolling interests	$ 1,063	$ 2,695
Adjustments to reconcile net income to net cash provided by (used in) operating activities-
Amortization of identifiable intangible assets	1,604	1,929
Depreciation expense	3,050	2,846
Bad debt expense	33	153
Deferred tax benefit	(1,622)	(1,122)
Amortization of debt financing costs	65	57
Gain on sale of assets	(133)	(139)
Changes in the fair value of contingent earn-out obligations	(130)	27
Stock-based compensation expense	1,431	927
(Increase) decrease in-
Receivables, net	7,330	(11,992)
Inventories	(393)	37
Prepaid expenses and other current assets	824	194
Costs and estimated earnings in excess of billings	(4,443)	(7,638)
Other noncurrent assets	182	122
Increase (decrease) in-
Accounts payable and accrued liabilities	(11,169)	147
Billings in excess of costs and estimated earnings	(6,181)	1,470
Other long-term liabilities	(295)	(64)
Net cash used in operating activities	(8,784)	(10,351)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(3,882)	(3,208)
Proceeds from sales of property and equipment	217	177
Proceeds from businesses sold		43
Cash paid for acquisitions, earn-outs and intangible assets, net of cash acquired	(4,000)
Net cash used in investing activities	(7,665)	(2,988)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net borrowings (payments) on revolving line of credit	7,000
Payments of dividends to shareholders	(2,067)	(1,853)
Share repurchase program	(416)	(145)
Excess tax benefit of stock-based compensation	(14)
Proceeds from exercise of options	542	15
Net cash provided by (used in) financing activities	5,045	(1,983)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(11,404)	(15,322)
CASH AND CASH EQUIVALENTS, beginning of period	52,054	40,757
CASH AND CASH EQUIVALENTS, end of period	$ 40,650	$ 25,435