Note 4 - Goodwill and Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	Weighted average amortization life (years)		Cost		Accumulated Amortization			Net
Balance at March 31, 2013:
Customer relationships		8.3	$	14,600	$	(4,417	)	$	10,183
Contractual backlog		6.5		6,700		(3,201	)		3,499
Customer contracts		5.4		3,500		(3,496	)		4
Total		7.4	$	24,800	$	(11,114	)	$	13,686
Balance at December 31, 2012:
Customer relationships		8.3	$	14,600	$	(3,728	)	$	10,872
Contractual backlog		6.5		6,700		(2,961	)		3,739
Customer contracts		5.4		3,500		(3,494	)		6
Trade name		1.5		600		(600	)		-
Total		7.3	$	25,400	$	(10,783	)	$	14,617

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Remainder of 2013	$	2,791
2014	$	3,663
2015	$	2,887
2016	$	2,139
2017	$	1,171
2018 and thereafter	$	1,035