Stockholders' Equity (Preferred Stock, Common Stock and Warrants Narrative) (Details) - USD ($) |
1 Months Ended | 3 Months Ended | 12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|---|
Jun. 18, 2019 |
Dec. 24, 2018 |
Sep. 30, 2018 |
Jul. 31, 2019 |
Jul. 31, 2018 |
Apr. 30, 2019 |
Jun. 28, 2019 |
Jun. 07, 2019 |
Jun. 03, 2019 |
|
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Preferred stock, shares authorized | Ìý | Ìý | Ìý | 1,000,000 | Ìý | 1,000,000 | Ìý | Ìý | Ìý |
| Common stock, shares authorized | Ìý | Ìý | Ìý | 40,000,000 | Ìý | 40,000,000 | Ìý | Ìý | Ìý |
| Proceeds from options exercised | Ìý | Ìý | Ìý | $ 45,190 | $ 7,817 | Ìý | Ìý | Ìý | Ìý |
| Common stock, shares issued | Ìý | Ìý | Ìý | 18,913,527 | Ìý | 18,665,551 | Ìý | Ìý | Ìý |
| Restricted stock issued, value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | |
| Payment of origination fees | Ìý | Ìý | Ìý | $ 29,832 | Ìý | Ìý | Ìý | Ìý | |
| Compensation cost of unvested shares yet to be recognized, period of recognition | Ìý | Ìý | Ìý | 2 years | Ìý | Ìý | Ìý | Ìý | Ìý |
| Per share price | Ìý | Ìý | Ìý | $ 0.001 | Ìý | $ 0.001 | Ìý | Ìý | Ìý |
| Investor [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Restricted shares granted | Ìý | Ìý | Ìý | Ìý | Ìý | 25,000 | Ìý | Ìý | Ìý |
| Restricted shares granted, value | Ìý | Ìý | Ìý | Ìý | Ìý | $ 122,250 | Ìý | Ìý | Ìý |
| Common Stock [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Restricted stock issued, shares | Ìý | Ìý | Ìý | 104,803 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Restricted stock issued, value | Ìý | Ìý | Ìý | $ 105 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Common Stock [Member] | Maximum [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Preferred stock, shares authorized | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 250,000,000 | Ìý | Ìý |
| Common Stock [Member] | Minimum [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Preferred stock, shares authorized | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 40,000,000 | Ìý | Ìý |
| Preferred Stock [Member] | Maximum [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Preferred stock, shares authorized | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 10,000,000 | Ìý | Ìý |
| Preferred Stock [Member] | Minimum [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Preferred stock, shares authorized | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 1,000,000 | Ìý | Ìý |
| Warrant [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Compensation cost of unvested shares yet to be recognized | Ìý | Ìý | Ìý | $ 1,600,000 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Nonvested shares outstanding | Ìý | Ìý | Ìý | 99,803 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Director [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Restricted stock issued, shares | Ìý | Ìý | Ìý | 30,131 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Restricted stock issued, value | Ìý | Ìý | Ìý | $ 122,332 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Former Director [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Common stock, shares issued | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 9,806 |
| Former Director [Member] | Warrant [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Common stock, shares issued | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 21,930 |
| Chairman and Chief Executive Officer [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Common stock, shares issued | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 9,597 | Ìý |
| Restricted Stock [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Award vesting period | Ìý | 36 months | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Shares granted | Ìý | 24,672 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Restricted Stock [Member] | Investor [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Number of shares vested | Ìý | Ìý | Ìý | Ìý | Ìý | 5,000 | Ìý | Ìý | Ìý |
| Restricted Stock [Member] | Andrew Kaplan Current Director [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Options granted | 5,131 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Restricted Stock [Member] | Two former directors [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Options granted | 25,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Restricted Stock [Member] | Director [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Restricted shares granted, value | Ìý | $ 126,320 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Restricted Stock [Member] | Chief Financial Officer [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Restricted shares granted | Ìý | Ìý | 25,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Award vesting period | Ìý | Ìý | 36 months | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Compensation cost of unvested shares yet to be recognized | Ìý | Ìý | $ 180,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Compensation cost of unvested shares yet to be recognized, period of recognition | Ìý | Ìý | 36 months | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Market price of company stock | Ìý | Ìý | $ 7.15 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Warrant Transaction One [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stock issued during period from exercise of warrants | Ìý | Ìý | Ìý | 101,894 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Warrant Transaction Two [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stock issued during period from exercise of warrants | Ìý | Ìý | Ìý | 19,403 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Proceeds from exercise of warrants | Ìý | Ìý | Ìý | $ 43,860 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Warrant Transaction Three [Member] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stockholders Equity [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Stock issued during period from exercise of warrants | Ìý | Ìý | Ìý | 21,876 | Ìý | Ìý | Ìý | Ìý | Ìý |
| Proceeds from exercise of warrants | Ìý | Ìý | Ìý | $ 45,190 | Ìý | Ìý | Ìý | Ìý | Ìý |