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Cancellation of Indebtedness amount.

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Inducement to exercise warrants.

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Net exercise of warrants.

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Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Face amount or stated value per share of common stock.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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Cost of the investment.

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Sum of the carrying amounts as of the balance sheet date of all investments.

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Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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The cash inflow from the additional capital contribution to the entity.

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The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

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The cash inflow associated with the amount received from holders exercising their stock warrants.

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Per share or per unit amount of equity securities issued.

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Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

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Number of new stock issued during the period.

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Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders.

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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Expiration date of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in CCYY-MM-DD format.

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Stockholders' Equity (Details Narrative) - USD ($)					3 Months Ended			9 Months Ended		12 Months Ended
Stockholders' Equity (Details Narrative) - USD ($)	Feb. 19, 2019	Aug. 16, 2018	Sep. 25, 2017	Apr. 13, 2016	Apr. 30, 2019	Apr. 30, 2018	Oct. 31, 2017	Apr. 30, 2019	Apr. 30, 2018	Jul. 31, 2018	Jan. 23, 2017	Nov. 23, 2015	Aug. 29, 2014
Preferred stock shares authorized					5,000,000			5,000,000		5,000,000
Preferred stock shares par value					$ 0.01			$ 0.01		$ 0.01
Preferred stock shares issued
Preferred stock shares outstanding
Common stock shares authorized					100,000,000			100,000,000		100,000,000
Common stock shares par value					$ 0.01			$ 0.01		$ 0.01
Number of common stock shares issued									158,342
Inducement to exercise warrants					$ 960,000			$ 960,000	$ 876,000
Proceeds from issuance of common shares								993,000
Proceeds from warrant exercise								840,000	2,632,000
Value of shares issued for services									51,000
Two Year Service Agreement [Member] \| Business Development Services [Member]
Number of common shares issued for services							50,000
Value of shares issued for services					$ 6,000	6,000	$ 51,000	$ 19,000	15,000
Two Year Service Agreement [Member] \| General Financial Advisory Services [Member]
Number of common shares issued for services				250,000
Value of shares issued for services				$ 290,000		$ 28,000			$ 100,000
2014 Warrants [Member]
Number of common stock shares issued			1,491,649
Warrant exercise price per share					$ 0.75			$ 0.75
Number of warrants to purchase common stock	2,399,999				2,533,331			2,533,331					4,104,980
Aggregate value of exercise price of warrants	$ 840,000
Inducement to exercise warrants								$ 960,000
2014 Warrants [Member] \| Maximum [Member]
Price per shares													$ 0.75
Warrant exercise price per share	$ 0.75
2014 Warrants [Member] \| Minimum [Member]
Price per shares													$ 0.60
Warrant exercise price per share	$ 0.35
2015 Warrants [Member]
Number of common stock shares issued			1,599,135
Number of warrants to purchase common stock												1,986,101
2015 Warrants [Member] \| Maximum [Member]
Price per shares												$ 0.45
2015 Warrants [Member] \| Minimum [Member]
Price per shares												$ 0.40
2017 Warrants [Member]
Number of common stock shares issued			1,396,470
Warrant exercise price per share					$ 1.25			$ 1.25
Number of warrants to purchase common stock					176,471			176,471			1,572,941
Proceeds from issuance of common shares			$ 2,720,000
2017 Warrants [Member] \| Maximum [Member]
Price per shares											$ 1.25
2017 Warrants [Member] \| Minimum [Member]
Price per shares											$ 0.85
Original Warrants [Member]
Warrant expiration date					Sep. 25, 2017			Sep. 25, 2017
Net exercise of warrants						198,057			198,057
2015 Warrants [Member]
Number of warrants to purchase common stock					268,909			268,909
Proceeds from warrant exercise								$ 107,000
2015 Warrants [Member] \| Garden State Securities Inc [Member]
Number of warrants to purchase common stock					4,756,163			4,756,163
Proceeds from warrant exercise								$ 2,632,000
Warrant [Member]
Net exercise of warrants						573,057			573,057
Mr. Tom Y. Lee [Member]
Investments amount		$ 1,000,000
Investment cash		500,000
Cancellation of indebtedness amount		500,000
Mr. Tom Y. Lee [Member] \| 2014 Warrants [Member]
Number of warrants to purchase common stock	2,133,333
Aggregate value of exercise price of warrants	$ 746,666
Dale Okuno [Member] \| 2014 Warrants [Member]
Number of warrants to purchase common stock	213,333
Aggregate value of exercise price of warrants	$ 74,666
Private Placement [Member]
Closing value of common stock shares		$ 1,500,000
Number of common stock shares issued		3,333,964
Price per shares		$ 0.45
Conversion amount										$ 500,000
Net proceeds from private placement financing		$ 1,500,000