CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
ASSETS
Cash and cash equivalents	$ 3,150	$ 5,453
Restricted cash	88	98
Short-term investments	0	2,003
Accounts receivable, (net of allowance for doubtful accounts of $186 at June 30, 2012 and $207 at December 31, 2011)	3,144	6,375
Inventories, net	1,396	1,988
Prepaid expenses and other current assets	1,752	1,876
Total current assets	9,530	17,793
Property and equipment, net	1,210	1,355
Goodwill	5,271	5,271
Other intangible assets, net	1,306	1,461
Investments in non-publicly traded companies	336	306
Other assets	1,527	1,432
Total assets	19,180	27,618
LIABILITIES AND STOCKHOLDERS' EQUITY
Credit facility	713	0
Accounts payable	1,810	2,272
Accrued expenses and other current liabilities	11,182	10,655
Total current liabilities	13,705	12,927
Restructuring liabilities	1,915	2,485
Total liabilities	15,620	15,412
Commitments and contingencies
Stockholders' equity:
Common stock, $.001 par value: 47,500,000 shares authorized; 32,554,880 and 30,633,302 shares issued at June 30, 2012 and December 31, 2011, respectively; 32,534,086 and 30,612,508 shares outstanding at June 30, 2012 and December 31, 2011, respectively	33	31
Additional paid-in capital	414,220	410,551
Accumulated other comprehensive loss - currency translation	(301)	(64)
Common stock held in treasury (20,794 shares), at cost	(118)	(118)
Accumulated deficit	(410,274)	(398,194)
Total stockholders' equity	3,560	12,206
Total liabilities and stockholders' equity	$ 19,180	$ 27,618