Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 46,168	$ 45,732
Accounts receivable, net	31,697	35,202
Inventories	5,251	7,340
Prepaid expenses and other assets	7,896	3,540
Total current assets	91,012	91,814
Property and equipment, net	4,972	3,597
Goodwill		4,140
Intangible assets, net	2,601	7,581
Other assets	294	370
Total assets	98,879	107,502
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	31,434	30,555
Accrued compensation	5,049	3,899
Accrued expenses	10,860	4,171
Deferred revenue	883	1,371
Restructuring accrual	1,328	1,664
Current portion of long-term note payable	71	275
Total current liabilities	49,625	41,935
Long-term note payable		71
Other long-term liabilities	552	1,118
Total liabilities	50,177	43,124
Commitments and Contingencies (Note 13)
Stockholders' Equity:
Preferred stock, $.001 par value, 10,000 shares authorized, no shares issued and outstanding at December 31, 2010 and 2011, respectively
Common stock, $.001 par value, 100,000 shares authorized, 55,953 and 57,699 shares issued and outstanding at December 31, 2010 and 2011, respectively	58	56
Additional paid-in capital	321,681	315,257
Accumulated other comprehensive loss	(3,662)	(3,584)
Accumulated deficit	(269,375)	(247,351)
Total stockholders' equity	48,702	64,378
Total liabilities and stockholders' equity	$ 98,879	$ 107,502