Note 16 - Quarterly Results (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Quarterly Financial Information [Table Text Block]

	First Quarter		Second Quarter(1)(2)			Third Quarter(1)(3)			Fourth Quarter(3)(4)		Fiscal Year
2012
Revenue	$	85,869	$	80,834		$	76,767		$	73,504	$	316,974
Gross profit	$	13,596	$	12,527		$	11,223		$	12,531	$	49,877
Operating income (loss)	$	5,674	$	(6,914	)	$	(32,092	)	$	5,631	$	(27,701	)
Net income (loss)	$	1,791	$	(6,079	)	$	(20,594	)	$	647	$	(24,235	)
Earnings (loss) per share:(5)
Basic	$	0.17	$	(0.59	)	$	(1.99	)	$	0.06	$	(2.34	)
Diluted	$	0.17	$	(0.59	)	$	(1.99	)	$	0.06	$	(2.34	)
2011
Revenue	$	69,524	$	68,472		$	96,379		$	88,222	$	322,597
Gross profit	$	10,764	$	10,427		$	17,438		$	18,001	$	56,630
Operating income	$	4,721	$	3,244		$	8,844		$	9,560	$	26,369
Net income	$	2,708	$	1,437		$	3,278		$	4,034	$	11,457
Earnings per share:(5)
Basic	$	0.27	$	0.14		$	0.32		$	0.39	$	1.13
Diluted	$	0.27	$	0.14		$	0.32		$	0.39	$	1.12