Preferred Stock (Details) (USD $) In Thousands, except Share data, unless otherwise specified					6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Preferred Stock [Member]	Jun. 30, 2014 Series B-1 Preferred Stock [Member]	Jun. 30, 2014 Series A-2 Preferred Stock [Member]	Jun. 30, 2014 Series D Preferred Stock [Member]
Class of Stock [Line Items]
Preferred Stock authorized	7,500	7,500	5,000,000	100	7,500	4,000
Preferred Stock issued	53	53		0	53	0
Preferred Stock outstanding	53	53		0	53	0
Preferred Stock stated value (per share)	$ 0.0001	$ 0.0001			$ 7,500
Conversion of preferred stock, price per share					$ 3.00
Convertible preferred stock, shares issued upon conversion					2,500
Preferred stock, cumulative dividend percentage rate (per annum)					5.00%
Accrued dividends	$ 30	$ 20			$ 30