Summary of Significant Accounting Policies (Details) - Valuation inputs hierarchy classification for the warrant liability measured at fair value on a recurring basis (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Inputs, Level 1 [Member]
Liabilities
Warrant Liability
Liabilities
Fair Value, Inputs, Level 2 [Member]
Liabilities
Warrant Liability
Liabilities
Fair Value, Inputs, Level 3 [Member]
Liabilities
Warrant Liability	939	10
Liabilities	$ 939	$ 10