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5. Stockholders' Deficit (Details 1) (USD $)
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Mar. 31, 2013
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Series A [Member]
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| Contractual life, in years |
4 years 1 month 6 days
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| Expected volatility |
132.00%
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| Risk-free interest rate |
0.40%
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| Exercise price |
$ 0.6
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| Fair value per warrant |
$ 0.03
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Series A Affiliates [Member]
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| Contractual life, in years |
3 years 1 month 6 days
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| Expected volatility |
114.10%
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| Risk-free interest rate |
0.40%
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| Exercise price |
$ 0.6
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| Fair value per warrant |
$ 0.03
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Series B [Member]
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|
| Contractual life, in years |
3 years 1 month 6 days
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| Expected volatility |
114.10%
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| Risk-free interest rate |
0.40%
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| Exercise price |
$ 0.6
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| Fair value per warrant |
$ 0.03
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Series C [Member]
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| Contractual life, in years |
5 years 1 month 6 days
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| Expected volatility |
121.90%
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| Risk-free interest rate |
0.40%
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| Exercise price |
$ 0.6
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| Fair value per warrant |
$ 0.03
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Aug/Sep 2011 Notes [Member]
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| Contractual life, in years |
2 years 1 month 6 days
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| Expected volatility |
126.60%
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| Risk-free interest rate |
0.40%
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| Exercise price |
$ 0.6
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| Fair value per warrant |
$ 0.03
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Feb2012PIPE [Member]
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| Contractual life, in years |
4 years 7 months 6 days
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| Expected volatility |
126.60%
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| Risk-free interest rate |
0.40%
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| Exercise price |
$ 0.6
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| Fair value per warrant |
$ 0.03
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Series J warrants February 6, 2013 [Member]
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| Contractual life, in years |
36 months
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| Expected volatility |
141.80%
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| Risk-free interest rate |
0.39%
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| Exercise price |
$ 0.40
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| Fair value per warrant |
$ 0.36
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Series J warrants March 28, 2013 [Member]
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| Contractual life, in years |
36 months
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| Expected volatility |
144.30%
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| Risk-free interest rate |
0.36%
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| Exercise price |
$ 0.40
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| Fair value per warrant |
$ 0.26
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