Subsequent Event (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended		0 Months Ended
	Apr. 04, 2014 Subsequent Event [Member] Common Stock [Member] Roth Capital Partners and Craig Hallum Capital Group [Member]	Apr. 04, 2014 Subsequent Event [Member] Common Stock [Member]	Apr. 04, 2014 Subsequent Event [Member] Roth Capital Partners and Craig Hallum Capital Group [Member]	Apr. 04, 2014 Subsequent Event [Member]	Mar. 31, 2014 Common Stock [Member]
Subsequent Event (Details) [Line Items]
Placement Agent Agreement, Registered Direct Offering, Number of Shares Authorized	2,030,000	2,030,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	812,000	812,000			800,000
Shares Issued, Price Per Share (in Dollars per share)	$ 3.40
Placement Agent Agreement, Registered Direct Offering, Share Component of Per Unit Sold	1
Placement Agent Agreement, Registered Direct Offering, Warrant Component of Per Unit Sold	0.4
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right	1
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Share)			$ 4.20
Class of Warrant or Right, Perod During which Warrants or Rights Exercisable			The warrants can be exercised during the period commencing after six months and ending five and a half years from the date of issuance
Placement Agent Agreement, Registered Direct Offering, Gross Proceeds (in Dollars)			$ 6.9
Placement Agent Agreement Registered Direct Offering Net Proceeds (in Dollars)			$ 6.1	$ 6.1