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Preferred Common Stock And Warrants (Details) (USD $)
Mar. 31, 2013
Common shares authorized 95,000,000
Preferred shares authorized 5,000,000
Number of common stock shares to purchase by warrants outstaning and exercisable 150,000
Warrants start range exercise price $ 3.00
Warrants end range exercise price $ 3.80
Warrants weighted average exercise price $ 3.40
Warrants weighted average contractual life 0.2
Total intrinsic value $ 0