v2.4.0.8

Stockholders' Equity (Details) (USD $) | 0 Months Ended | 6 Months Ended |  |  | 6 Months Ended |  |  | 0 Months Ended | 6 Months Ended |  |  | 6 Months Ended
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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 |  |  |  |  |  |  |  |  |  |  |  |

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