Subsequent Events (Details Narrative) - USD ($) |
1 Months Ended | 6 Months Ended | |
|---|---|---|---|
Dec. 13, 2016 |
Oct. 31, 2016 |
Oct. 31, 2015 |
|
| Subsequent Event [Line Items] | |||
| Converted value of the conversion of preferred stock | $ 174,233 | ||
| Series C Preferred shares issuable | 16,666,667 | ||
| Warrants issuable to purchase company common stock | 250,000 | ||
| Series B Preferred Shares | |||
| Subsequent Event [Line Items] | |||
| Conversion of preferred stock, shares | 282,643 | ||
| Subsequent Event | Third Amended and Restated Merger Agreement | |||
| Subsequent Event [Line Items] | |||
| Description of revisions to merger consideration | Increased the Merger Consideration for U.S. Gold holders of record, in the aggregate and on an ?as converted? and fully diluted basis, to 48,616,089 shares of common stock and equivalents from 46,241,868 shares of common stock and equivalents and adding a provision to issue 925,833 five-year options which vest 1/24 each month over the 2 years from the original date of issue to the holders of options issued in connection with the closing of the Keystone Acquisition. | ||
| Series C Preferred shares issuable | 18,094,362 | ||
| Warrants issuable to purchase company common stock | 1,809,436 | ||
| Business acquisition, amended covenant and revision to stock issuances | Eliminated a covenant that certain officers and directors of the Company be issued an aggregate of 820,000 shares of restricted stock pursuant to a shareholder approved equity incentive plan, subject to the execution of a two year lockup agreement; and revised the maximum number of shares the Company shall have outstanding at the closing of the merger, on afully diluted basis, to 4,945,182 shares of common stock. | ||
| Subsequent Event | Series B Preferred Shares | |||
| Subsequent Event [Line Items] | |||
| Conversion of preferred stock, shares | 48,916 | ||
| Common stock issued upon conversion of preferred stock | 326,106 | ||
| Converted value of the conversion of preferred stock | $ 596,763 | ||
| Converted value, per share, approximate | $ 12.20 | ||