Income Taxes (Details) - Component of Income tax Reconciliation (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Component of Income tax Reconciliation [Abstract]
Expected tax benefit	$ (2,185)	$ (3,421)
Net tax effects of:
Foreign tax rate differential	(515)	408
State taxes, net of federal benefit	(62)	(529)
Return to provision adjustment	(270)	832
Research and other credits	(139)	(2)
Permanent difference on deemed dividend	1,040
Permanent difference on warrants	61	(31)
Other	35	73
Change in deferred tax asset valuation allowance	2,387	2,303
Income tax expense (benefit) from continuing operations	$ 352	$ (367)