Composition Of Certain Financial Statement Captions - Accounts Receivable (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013		Dec. 31, 2012
Balance Sheet Disclosures [Abstract]
Trade and other receivables	$ 2,237	[1]	$ 11,638	[1]
Allowance for doubtful accounts	0	[1]	(43)	[1]
Accounts receivable, net, total	$ 2,237		$ 11,595

[1] Accounts receivable, net at June 30, 2013 relating to the Company's DigitalOptics operations in Charlotte, North Carolina and Zhuhai, China are included in discontinued operations. See Note 6 – "Discontinued Operations," for additional details.