v2.4.0.8

Stockholders' Equity (Details) (USD $) | 3 Months Ended |  | 0 Months Ended | 3 Months Ended | 0 Months Ended |  |  | 0 Months Ended | 3 Months Ended | 0 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Apr. 04, 2014 Subsequent Event [Member] Common Stock [Member] Shelf Registration [Member] | Apr. 04, 2014 Subsequent Event [Member] Common Stock [Member] | Apr. 04, 2014 Subsequent Event [Member] Shelf Registration [Member] | Apr. 04, 2014 Subsequent Event [Member] | Oct. 07, 2011 Purchase Agreement With LPC [Member] | Mar. 31, 2014 Warrant [Member] | Jul. 03, 2013 Common Stock [Member] Shelf Registration [Member] | Mar. 31, 2014 Common Stock [Member] | Jul. 03, 2013 Common Stock [Member] | Jul. 03, 2013 Shelf Registration [Member] | Mar. 31, 2014 Shelf Registration [Member] | Jul. 03, 2013 Underwriting Agreement [Member]
Stockholders' Equity (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustments to Additional Paid in Capital, Other | $ 3,600,000 |  |  |  |  |  |  | $ 3,500,000 |  |  |  |  |  |
Proceeds from Warrant Exercises | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  | 1,000,000 |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares) |  |  |  | 812,000 |  |  |  |  |  | 800,000 |  |  |  |
Fair Value Adjustment of Warrants | 2,051,000 | (3,000) |  |  |  |  |  | 2,500,000 |  |  |  |  |  |
Shelf Registration Date of Filing | Dec. 31, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |
Shelf Registration Effective Date | May 21, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |
Shelf Registration Authorized Amount | 50,000,000 |  |  |  |  |  |  |  |  |  |  |  | 50,000,000 |
Shelf Registartion Public Float Threshold | 75,000,000 |  |  |  |  |  |  |  |  |  |  |  | 75,000,000 |
Shelf Registration Units Sold (in Shares) |  |  |  |  | 2,030,000 |  |  |  | 1,730,000 |  |  | 1,730,000 |  |
Shelf Registration Units Sold Share Component Per Unit (in Shares) |  |  | 1 |  |  |  |  |  | 1 |  | 1 |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Share) |  |  | $ 4.20 |  |  |  |  |  |  |  |  | $ 1.25 | $ 1.25 |
Gross Proceed from Issuance of Common Stock |  |  |  |  |  |  |  |  |  |  |  | 2,200,000 |  |
Net Proceeds from Issuance of Common Stock |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,700,000
Placement Agent Agreement, Registered Direct Offering, Number of Shares Authorized (in Shares) |  |  |  | 2,030,000 |  |  |  |  |  |  |  |  |  |
Placement Agent Agreement Registered Direct Offering Net Proceeds |  |  |  |  |  | 6,100,000 |  |  |  |  |  |  |  |
Stock Purchase Agreement Authorized Amount |  |  |  |  |  |  | $ 10,000,000 |  |  |  |  |  |  |
Stock Purchase Agreement Period in Force |  |  |  |  |  |  | 30 months |  |  |  |  |  |  |

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