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Stockholders' Equity (Details Textual) (USD $)
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12 Months Ended | 1 Months Ended | 0 Months Ended | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2013
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Jun. 30, 2012
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Aug. 12, 2008
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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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Apr. 26, 2013
January Equity Offering 2012 [Member]
Warrant One [Member]
Before Antidilution Adjustment [Member]
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Apr. 26, 2013
January Equity Offering 2012 [Member]
Warrant One [Member]
After Antidilution Adjustment [Member]
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Apr. 26, 2013
January Equity Offering 2012 [Member]
Warrant Two [Member]
Before Antidilution Adjustment [Member]
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Apr. 26, 2013
January Equity Offering 2012 [Member]
Warrant Two [Member]
After Antidilution Adjustment [Member]
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| Preferred Stock, Shares Authorized | 1,000,000 | 1,000,000 | ||||||||||||||
| Common Stock, Shares Authorized | 100,000,000 | 100,000,000 | ||||||||||||||
| Common Stock, Shares, Issued | 56,692,095 | 47,767,095 | ||||||||||||||
| Common Stock, Shares, Outstanding | 56,692,095 | 47,767,095 | ||||||||||||||
| Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 10,000,000 | 10,000,000 | ||||||||||||||
| Proceeds from Issuance or Sale of Equity | $ 3,834,000 | $ 9,036,000 | $ 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 | ||||||||||||||
| Class of Warrant or Right, Exercise Price of Warrants or Rights | 1.23 | [1] | 1.39 | 0.53 | 1.82 | 1.53 | 2.34 | 1.97 | 0.88 | 2.68 | 1.82 | 3.45 | 2.34 | |||
| 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, Date from which Warrants or Rights Exercisable | Apr. 26, 2013 | Jan. 13, 2013 | ||||||||||||||
| Class of Warrant or Right, Outstanding | 25,395,940 | 20,940,796 | 4,200,000 | 2,500,000 | 2,500,000 | 2,800,000 | 2,100,000 | 2,100,000 | ||||||||
| Class of Warrants or Rights Antidilution Adjustment | 800,000 | |||||||||||||||
| Class of Warrant or Right Increase in Numbers | $ 1,400,000 | |||||||||||||||
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