Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Segment Information
Net sales	$ 362,593	$ 361,910	$ 704,939	$ 697,848
Gross profit (loss)	48,506	46,386	95,278	89,855
Depreciation and amortization expense	3,152	2,454	6,302	4,619
Operating profit (loss)	3,425	2,581	3,554	4,496
Total consolidated assets	379,303		379,303		393,272
SMB
Segment Information
Net sales	115,605	131,270	233,160	270,008
Gross profit (loss)	16,814	16,837	33,578	33,755
Depreciation and amortization expense	1	1	3	4
Operating profit (loss)	9,592	9,005	18,940	18,189
MME
Segment Information
Net sales	149,048	128,624	286,381	239,133
Gross profit (loss)	21,806	19,859	41,662	37,845
Depreciation and amortization expense	1,203	888	2,360	1,763
Operating profit (loss)	8,163	7,697	14,434	12,856
Public Sector
Segment Information
Net sales	41,646	41,404	73,876	73,081
Gross profit (loss)	3,681	3,356	7,457	6,553
Depreciation and amortization expense	28	44	62	96
Operating profit (loss)	(240)	(344)	(204)	(303)
MacMall/OnSale
Segment Information
Net sales	56,324	61,071	111,553	116,346
Gross profit (loss)	6,289	6,305	12,563	12,117
Depreciation and amortization expense	281	236	532	360
Operating profit (loss)	753	(185)	1,073	599
Corporate and Other
Segment Information
Net sales	(30)	(459)	(31)	(720)
Gross profit (loss)	(84)	29	18	(415)
Depreciation and amortization expense	1,639	1,285	3,345	2,396
Operating profit (loss)	$ (14,843)	$ (13,592)	$ (30,689)	$ (26,845)