CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
ASSETS
Cash and cash equivalents	$ 5,453	$ 6,280
Restricted cash	98	582
Short-term Investments	2,003	973
Accounts receivable (net of allowance for doubtful accounts of $207 in 2011 and $336 in 2010)	6,375	7,907
Inventories	1,988	2,555
Prepaid expenses and other current assets	1,876	2,089
Total current assets	17,793	20,386
Property and equipment, net	1,355	1,239
Goodwill	5,271	14,144
Other intangible assets, net	1,461	8,254
Investments in non-publicly traded companies	306	267
Other assets	1,432	1,528
Total assets	27,618	45,818
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	2,272	1,893
Accrued expenses and other current liabilities	10,655	13,118
Current portion of 5.45% Convertible Notes due 2011	0	3,758
Total current liabilities	12,927	18,769
Restructuring liabilities	2,485	10,317
Total liabilities	15,412	29,086
Commitments and contingencies
Stockholders' equity:
Common stock, $.001 par value: 37,500,000 shares authorized; 30,633,302 and 23,527,814 shares issued at December 31, 2011 and 2010, respectively; 30,612,508 and 23,507,020 shares outstanding at December 31, 2011 and 2010, respectively	31	24
Additional paid-in capital	410,551	391,689
Accumulated other comprehensive (loss) income - currency translation	(64)	459
Common stock held in treasury (20,794 shares), at cost	(118)	(118)
Accumulated deficit	(398,194)	(375,322)
Total stockholders' equity	12,206	16,732
Total liabilities and stockholders' equity	$ 27,618	$ 45,818