| Basic and diluted net loss per share | The following table presents the computation
of basic and diluted net loss per share:   
|  |  | Three Months Ended June 30, |  |  | Nine Months Ended June 30, |  |  
|  |  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |  |  
|  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  
| Loss from continuing operations |  | $ | (1,541,901 | ) |  | $ | (511,464 | ) |  | $ | (2,925,913 | ) |  | $ | (4,789,403 | ) |  
| Less: preferred stock dividends |  |  | (479 | ) |  |  | (479 | ) |  |  | (1,438 | ) |  |  | (1,438 | ) |  
| Loss from continuing operations applicable to common stock |  |  | (1,542,380
 | )
 |  |  | (511,943
 | )
 |  |  | (2,927,351
 | )
 |  |  | (4,790,841
 | )
 |  
| Income (loss) from discontinued operations |  |  |  |  |  |  | 295 |  |  |  |  |  |  |  | 2,708 |  |  
| Net loss applicable to common stock |  | $ | (1,542,380 | ) |  | $ | (511,648 | ) |  | $ | (2,927,351 | ) |  | $ | (4,788,133 | ) |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Weighted average common shares - outstanding basic and diluted
 |  |  | 13,798,880
 |  |  |  | 10,313,208
 |  |  |  | 12,751,344
 |  |  |  | 8,744,694
 |  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Earnings per share - basic and diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Loss from continuing operations |  | $ | (0.11 | ) |  | $ | (0.05 | ) |  | $ | (0.23 | ) |  | $ | (0.55 | ) |  
| Discontinued operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
| Net loss |  | $ | (0.11 | ) |  | $ | (0.05 | ) |  | $ | (0.23 | ) |  | $ | (0.55 | ) |    | 
| Potentially dilutive securities | The following potentially dilutive securities
were excluded from the calculation of diluted net loss per share because the effects were anti-dilutive based on the application
of the treasury stock method and because the Company incurred net losses during the period:   
|  |  | Three Months Ended June 30, |  |  | Nine Months Ended June 30, |  |  
|  |  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |  |  
|  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  | (unaudited) |  |  
| Options to purchase shares of common stock |  |  | 675,000 |  |  |  | 675,000 |  |  |  | 675,000 |  |  |  | 675,000 |  |  
| Warrants to purchase shares of common stock |  |  | 2,866,506 |  |  |  | 2,866,506 |  |  |  | 2,866,506 |  |  |  | 2,866,506 |  |  
| Series E convertible preferred stock |  |  | 127,840 |  |  |  | 127,840 |  |  |  | 127,840 |  |  |  | 127,840 |  |  
| Shares of vested restricted stock |  |  | 21,000 |  |  |  | 789 |  |  |  | 21,000 |  |  |  | 789 |  |  
| Total potentially dilutive shares |  |  | 3,690,346 |  |  |  | 3,670,135 |  |  |  | 3,690,346 |  |  |  | 3,670,135 |  |    |