Stockholders' Equity (Details) (USD $)	0 Months Ended		6 Months Ended				6 Months Ended			0 Months Ended	6 Months Ended			6 Months Ended
	Apr. 04, 2014	Oct. 07, 2011	Jun. 30, 2014	Jun. 30, 2013	May 15, 2012	Oct. 07, 2011	Jun. 30, 2014 Offering [Member]	Apr. 04, 2014 Offering [Member]	Apr. 01, 2014 Offering [Member]	Apr. 01, 2014 Placement Agent Agreement [Member]	Jun. 30, 2014 Additional Paid-in Capital [Member]	Jun. 30, 2014 Common Stock [Member]	May 15, 2012 Common Stock [Member]	Jun. 30, 2014 Common Stock Including Additional Paid in Capital [Member]
Stockholders' Equity (Details) [Line Items]
Adjustments to Additional Paid in Capital, Other			$ 9,000,000
Adjustments to Additional Paid in Capital, Proceeds from Public Offering and Exercise and Reclassification of Warrants			8,200,000
Stock Issued During Period, Value, New Issues											4,700,000			4,600,000
Proceeds from Warrant Exercises			1,000,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)									812,000			800,000
Adjustments to Additional Paid in Capital, Warrant Issued			2,500,000
Shelf Registration Date of Filing			May 15, 2012
Shelf Registration Effective Date			May 21, 2012
Shelf Registration Authorized Amount					50,000,000
Shelf Registration, Sale of Units, Share Component Per Unit (in Shares)													1
Shelf Registartion Public Float Threshold					75,000,000
Public Offering, Number of Shares Authorized to be Offered (in Shares)										2,030,000
Public Offering, Number of Shares Issued (in Shares)	2,030,000
Public Offering, Units Sold, Price Per Unit	3.40
Public Offering, Share Component, Per Unit Sold (in Shares)	1
Public Offering, Warrant Component, Per Unit Sold	0.4
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right (in Shares)								1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per share)								$ 4.20
Gross Proceeds from Public Offering	6,900,000
Proceeds from Public Offering, Net of Discounts and Commissions and Expenses	6,100,000
Fair Value Adjustment of Warrants			1,682,000	(6,000)			1,500,000
Underwriting Expenses and Offering Costs Related to Offering Warrants			200,000
Stock Purchase Agreement Authorized Amount						$ 10,000,000
Stock Purchase Agreement Period in Force		30 months