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Warrants (Narrative) (Details) (USD $)
1 Months Ended 6 Months Ended 8 Months Ended 1 Months Ended
May 07, 2014
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Aug. 21, 2013
A Warrants [Member]
Aug. 21, 2013
A Warrants [Member]
Underwriters [Member]
Aug. 21, 2013
B Warrants [Member]
Aug. 21, 2013
B Warrants [Member]
Underwriters [Member]
Aug. 21, 2013
Representative Warrants [Member]
Underwriters [Member]
Aug. 21, 2013
Representative Warrants [Member]
Underwriters [Member]
Minimum [Member]
Aug. 21, 2013
Representative Warrants [Member]
Underwriters [Member]
Maximum [Member]
Class of Warrant or Right [Line Items]                      
Warrants issued         2,200,000 330,000 2,200,000 330,000 154,000    
Number of common stock to be purchased by warrants         2,200,000 330,000 1,100,000 165,000 154,000    
Exercise date         Aug. 16, 2018   May 16, 2014     May 16, 2014 Aug. 16, 2016
Number of warrants that convert into one share of common stock         1   2        
Exercise price         $ 2.75   $ 2.50   $ 3.125    
Proceeds from warrant exercises $ 2,071,000 $ 979,000 $ 0 $ 1,039,500              
Expenses related to exercise of warrants       $ 59,500