Income Taxes (Details2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred tax asset
Net operating loss carryforward	$ 16,852	$ 17,666
Stock-based compensation and other	302	3,688
Total deferred tax assets	17,154	21,354
Valuation Allowance	(17,154)	(21,354)
Deferred tax asset, net of allowance