CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Cash Flows From Operating Activities
Net income	$ 961	$ 1,763
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	6,302	4,619
Provision for deferred income taxes	2,015	620
Net tax benefit related to stock option exercises		2
Excess tax benefit related to stock option exercises	(39)	(660)
Non-cash stock-based compensation	1,051	1,062
Decrease in earnout liability	(175)	(800)
Gain on sale of fixed assets		(15)
Change in operating assets and liabilities:
Accounts receivable	10,774	4,917
Inventories	3,036	5,327
Prepaid expenses and other current assets	(3,053)	(1,956)
Other assets	51	(100)
Accounts payable	8,303	(29,497)
Accrued expenses and other current liabilities	(4,602)	(532)
Deferred revenue	(3,293)	6,601
Total adjustments	20,370	(10,412)
Net cash provided by (used in) operating activities	21,331	(8,649)
Cash Flows From Investing Activities
Purchase of El Segundo building		(9,565)
Purchases of property and equipment	(5,082)	(5,194)
Acquisition of eCost		(2,284)
Proceeds from sale of fixed assets		23
Net cash used in investing activities	(5,082)	(17,020)
Cash Flows From Financing Activities
Net (payments) borrowings under line of credit	(20,099)	5,769
Capital lease proceeds	4,356
Borrowing under note payable	2,859	7,198
Payments under notes payable	(552)	(368)
Change in book overdraft	(2,744)	7,660
Payments of obligations under capital lease	(1,123)	(526)
Proceeds from stock issued under stock option plans	92	665
Payment for deferred financing costs		(25)
Excess tax benefit related to stock option exercises	39	660
Net cash (used in) provided by financing activities	(17,172)	21,033
Effect of foreign currency on cash flow	(3)	(58)
Net change in cash and cash equivalents	(926)	(4,694)
Cash and cash equivalents at beginning of the period	9,484	10,711
Cash and cash equivalents at end of the period	8,558	6,017
Supplemental Cash Flow Information
Interest paid	1,638	1,346
Income taxes paid	969	3,648
Supplemental Non-Cash Investing and Financing Activities
Purchase of infrastructure system	346	2,070
Deferred financing costs		$ 49