Notes Payable	3 Months Ended
Oct. 31, 2019
Debt Disclosure [Abstract]
Notes Payable	5. NOTES PAYABLE The Company entered into various notes payable with related parties from 2010 to 2018 with an aggregate principal total of $2,175,000 and with an unrelated third party for $50,000 for total principal amount of $2,225,000. The interest rate was 11% and the maturity date was July 31, 2020. The Company could prepay these notes in advance of the maturity date without premium or penalty. On December 21, 2018, the Company issued 50,584,413 shares of Common Stock in exchange for the extinguishment of debt and related accrued interest totaling approximately $3,541,000. The Company incurred interest expense related to the Credit Facility and notes payable of $59,000 for the three months ended October 31, 2018 and $0 for the three months ended October 31, 2019. The Company maintains a Note and Security Agreement with Frost Gamma Investments Trust, a trust controlled by Dr. Phillip Frost, which beneficially owns in excess of 10% of the Company’s common stock (“Frost Gamma”), and Hsu Gamma Investments, LP, an entity controlled by the Company’s Chairman and Interim CEO (“Hsu Gamma” and together with Frost Gamma, the “Lenders”), pursuant to which the Lenders have provided a revolving credit line (the “Credit Facility”) in the aggregate principal amount of up to $1.0 million, secured by all of the Company’s personal property. The interest rate payable on amounts outstanding under the Credit Facility is 11% per annum and increases to 16% per annum after the Credit Facility Maturity Date or after an event of default. The Company is permitted to borrow and reborrow from time to time under the Credit Facility until July 31, 2020 (the “Credit Facility Maturity Date”). The balance of the principal due under the Credit Facility was $0 at July 31, 2019 and October 31, 2019.

Notes Payable

3 Months Ended

Oct. 31, 2019

5. NOTES PAYABLE

The Company entered into various notes payable with related parties from 2010 to 2018 with an aggregate principal total of $2,175,000 and with an unrelated third party for $50,000 for total principal amount of $2,225,000. The interest rate was 11% and the maturity date was July 31, 2020. The Company could prepay these notes in advance of the maturity date without premium or penalty.

On December 21, 2018, the Company issued 50,584,413 shares of Common Stock in exchange for the extinguishment of debt and related accrued interest totaling approximately $3,541,000. The Company incurred interest expense related to the Credit Facility and notes payable of $59,000 for the three months ended October 31, 2018 and $0 for the three months ended October 31, 2019.

The Company maintains a Note and Security Agreement with Frost Gamma Investments Trust, a trust controlled by Dr. Phillip Frost, which beneficially owns in excess of 10% of the Company’s common stock (“Frost Gamma”), and Hsu Gamma Investments, LP, an entity controlled by the Company’s Chairman and Interim CEO (“Hsu Gamma” and together with Frost Gamma, the “Lenders”), pursuant to which the Lenders have provided a revolving credit line (the “Credit Facility”) in the aggregate principal amount of up to $1.0 million, secured by all of the Company’s personal property. The interest rate payable on amounts outstanding under the Credit Facility is 11% per annum and increases to 16% per annum after the Credit Facility Maturity Date or after an event of default. The Company is permitted to borrow and reborrow from time to time under the Credit Facility until July 31, 2020 (the “Credit Facility Maturity Date”). The balance of the principal due under the Credit Facility was $0 at July 31, 2019 and October 31, 2019.