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Stockholders' Equity (Details Textual) (USD $)
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1 Months Ended | 3 Months Ended | 12 Months Ended | 1 Months Ended | 1 Months Ended | 1 Months Ended | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Oct. 31, 2013
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Mar. 31, 2014
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Jun. 30, 2014
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Dec. 18, 2013
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Jun. 30, 2013
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Jan. 31, 2013
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Jun. 30, 2012
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Jan. 31, 2012
Warrant Exercise Inducement [Member]
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Apr. 26, 2013
April Equity Offering 2013 [Member]
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Apr. 26, 2013
April Equity Offering 2013 [Member]
Warrant One [Member]
Before Antidilution Adjustment [Member]
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Apr. 26, 2013
April Equity Offering 2013 [Member]
Warrant One [Member]
After Antidilution Adjustment [Member]
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Apr. 26, 2013
April Equity Offering 2013 [Member]
Warrant Two [Member]
Before Antidilution Adjustment [Member]
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Apr. 26, 2013
April Equity Offering 2013 [Member]
Warrant Two [Member]
After Antidilution Adjustment [Member]
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Jan. 13, 2012
January Equity Offering 2012 [Member]
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Jan. 13, 2012
January Equity Offering 2012 [Member]
Warrant One [Member]
Before Antidilution Adjustment [Member]
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Jan. 13, 2012
January Equity Offering 2012 [Member]
Warrant One [Member]
After Antidilution Adjustment [Member]
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Jan. 13, 2012
January Equity Offering 2012 [Member]
Warrant Two [Member]
Before Antidilution Adjustment [Member]
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Jan. 13, 2012
January Equity Offering 2012 [Member]
Warrant Two [Member]
After Antidilution Adjustment [Member]
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Nov. 12, 2013
Before Adjustment [Member]
Warrant Exercise Inducement [Member]
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Nov. 12, 2013
After Adjustment [Member]
Warrant Exercise Inducement [Member]
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Nov. 30, 2013
Private Placement Offering [Member]
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| Stockholders' Equity [Line Items] | ||||||||||||||||||||||||
| Preferred Stock, Shares Authorized | 1,000,000 | 1,000,000 | ||||||||||||||||||||||
| Common Stock, Shares Authorized | 175,000,000 | 100,000,000 | ||||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 15,000,000 | 175,000,000 | 10,000,000 | |||||||||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | 7,750,000 | |||||||||||||||||||||||
| Stock Issued During Period, Value, Stock Options Exercised | $ 3,100,000 | |||||||||||||||||||||||
| Sale of Stock, Number of Shares Issued in Transaction | 1,200,000 | |||||||||||||||||||||||
| Sale of Stock, Price Per Share | $ 0.40 | |||||||||||||||||||||||
| Proceeds from Issuance of Private Placement | 500,000 | |||||||||||||||||||||||
| Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 1.38 | $ 1.23 | [1] | $ 1.39 | $ 0.88 | $ 0.53 | $ 1.82 | $ 1.53 | $ 2.34 | $ 1.97 | $ 0.88 | $ 2.68 | $ 1.82 | $ 3.45 | $ 2.34 | $ 0.88 | $ 0.40 | |||||||
| Proceeds from Issuance or Sale of Equity | 3,800,000 | 9,000,000 | ||||||||||||||||||||||
| Stock Issued During Period, Shares, Other | 8,925,000 | 15,385,000 | ||||||||||||||||||||||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 3,570,000 | 11,538,750 | ||||||||||||||||||||||
| Shares Issued, Price Per Share | $ 0.48 | $ 0.65 | ||||||||||||||||||||||
| Description Of Units Sold | one share of common stock and 0.40 (or 4/10ths) of one warrant to purchase one share of common stock | one share of common stock and 0.75 (or 3/4ths) of one warrant to purchase one share of common stock | ||||||||||||||||||||||
| Class of Warrant or Right, Outstanding | 8,769,911 | 25,395,940 | 20,940,796 | 4,200,000 | 2,500,000 | 2,500,000 | 2,800,000 | 2,100,000 | 2,100,000 | |||||||||||||||
| Legal Fees | 121,000 | |||||||||||||||||||||||
| Class Of Warrant Or Right Increase In Numbers | 800,000 | 1,400,000 | ||||||||||||||||||||||
| Class of Warrant or Right, Date from which Warrants or Rights Exercisable | Apr. 26, 2013 | Jan. 13, 2012 | ||||||||||||||||||||||
| Stock Issued During Period, Value, Other | $ 12,600,000 | $ 480,000 | ||||||||||||||||||||||
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