Selected Quarterly Financial Data (unaudited)

12 Months Ended

Dec. 31, 2011

Selected Quarterly Financial Data (unaudited) [Abstract]

Selected Quarterly Financial Data (unaudited)

19. Selected Quarterly Financial Data (unaudited)

The following tables illustrate selected quarterly financial data for 2011 and 2010. GTSI has historically experienced significant seasonal fluctuations in its operations as a result of the U.S. Federal government buying and funding patterns. Results of any one or more quarters are not necessarily indicative of annual results or continuing trends (in thousands).

		September 30,			September 30,			September 30,		September 30,		September 30,
	2011
	Q1			Q2			Q3		Q4		Total
Sales	$	70,335		$	81,283		$	95,782	$	109,266	$	356,666
Gross margin		12,989			14,156			17,319		17,900		62,364
Net (loss) income		(2,673	)		(1,453	)		4,265		367	$	506
Basic (loss) earnings per share	$	(0.28	)	$	(0.15	)	$	0.44	$	0.04	$	0.05
Diluted (loss) earnings per share	$	(0.28	)	$	(0.15	)	$	0.44	$	0.04	$	0.05

		September 30,			September 30,			September 30,		September 30,			September 30,
	2010
	Q1			Q2			Q3		Q4 (a)			Total
Sales	$	101,814		$	135,047		$	237,367	$	192,483		$	666,711
Gross margin		13,519			17,449			29,788		19,584			80,340
Net (loss) income	$	(4,588	)	$	(1,236	)	$	5,934	$	(1,040	)	$	(930	)
Basic (loss) earnings per share	$	(0.48	)	$	(0.13	)	$	0.62	$	(0.11	)	$	(0.10	)
Diluted (loss) earnings per share	$	(0.48	)	$	(0.13	)	$	0.62	$	(0.11	)	$	(0.10	)

(a) Pre-tax income for the quarter ended December 31, 2010 was negatively impacted by a $4.6 million write-off of net financing receivables and $3.0 million in additional SG&A expenses related to severance, legal and monitoring and other expenses in connection with the SBA Agreement.