Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 20,079	$ 17,856
Short-term investments	33,991	54,694
Accounts receivable, net of allowances for doubtful accounts and other adjustments of $573 (2011) and $855 (2010)	9,036	29,812
Income tax receivable	8,050	2,872
Inventories, net of reserves for excess and obsolete inventory of $380 (2011) and $558 (2010)	321	370
Prepaid expenses and other current assets	1,664	1,167
Deferred tax asset	97	2,565
Total current assets	73,238	109,336
Equipment and improvements, net	16,323	11,623
Goodwill	0	94,231
Intangible assets, net	0	19,459
Other assets	221	243
Total assets	89,782	234,892
Current liabilities:
Accounts payable	4,669	4,592
Accrued liabilities	7,527	8,444
Deferred revenue	423	1,667
Total current liabilities	12,619	14,703
Non-current liabilities:
Long-term liabilities	3,641	197
Deferred tax liability	100	1,727
Total non-current liabilities	3,741	1,924
Commitments and contingencies
Stockholders' equity:
Preferred stock, par value $0.001 per share; 5,000,000 shares authorized; none issued or outstanding
Common stock, par value $0.001 per share; 50,000,000 shares authorized; 35,763,252 and 34,971,108 shares issued and outstanding at September 30, 2011 and December 31, 2010, respectively	36	35
Additional paid-in capital	206,969	201,702
Accumulated other comprehensive loss	(40)	(10)
Accumulated earnings (deficit)	(133,543)	16,538
Total stockholders' equity	73,422	218,265
Total liabilities and stockholders' equity	$ 89,782	$ 234,892