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10. Net Loss Per Share (Tables)
9 Months Ended
Jun. 30, 2015
Earnings Per Share [Abstract]  
Basic and diluted net loss per share
   Three Months Ended June 30,   Nine Months Ended June 30, 
   2015   2014   2015   2014 
                 
Net loss applicable to common stock  $(4,208,391)  $(1,541,901)  $(10,251,045)  $(2,925,913)
Less: preferred stock dividends   (480)   (479)   (1,442)   (1,438)
Net loss applicable to common stock  $(4,208,871)  $(1,542,380)  $(10,252,487)  $(2,927,351)
                     
Weighted average common shares outstanding - basic and diluted   16,151,289    13,798,880    15,766,001    12,751,344 
                     
Loss per share - basic and diluted:  $(0.26)  $(0.11)  $(0.65)  $(0.23)
Potentially dilutive securities
   Three Months Ended June 30,   Nine months ended June 30, 
   2015   2014   2015   2014 
                 
Options to purchase shares of common stock   600,000    675,000    600,000    675,000 
Warrants to purchase shares of common stock   3,540,876    2,866,506    3,540,876    2,866,506 
Series E convertible preferred stock   127,840    127,840    127,840    127,840 
Shares of non-vested restricted stock       21,000        21,000 
Total potentially dilutive shares   4,268,716    3,690,346    4,268,716    3,690,346