Related Parties	9 Months Ended
Jan. 31, 2017
Related Party Transactions [Abstract]
Related Parties	NOTE 3. RELATED PARTIES Amounts due from related parties are unsecured, non-interest bearing and due on demand. Related parties consist of the directors and officers and a former director of REGI and companies controlled or significantly influenced by these parties. As of January 31, 2017, there was $1,842,507 due to related parties. As of April 30, 2016, there was $1,916,876 due to related parties. During the nine month period ended January 31, 2017, the CEO paid on behalf of the Company $11,827 for the purchase of the office furniture. During the nine month period ended January 31, 2017, the Chief Engineer who is also a director of the Company paid on behalf of the Company $4,848 for the purchase of the research equipment. During the nine month period ended January 31, 2017, the Company’s CEO and Chief Engineer agreed to convert $96,152 of payables due to them into convertible note promissory notes. The Convertible Notes are secured against all assets of the Company, repayable two years after the issuance, bearing simple interest rate of 10% during the term of the notes and simple interest rate of 20% after the due date, and convertible at any time on or after ninety days from the issuance date into the Company’s common stocks at $0.10 per share. The Company analyzed the conversion option in the notes for derivative accounting treatment under ASC Topic 815, “Derivatives and Hedging,” and determined that the instrument does not qualify for derivative accounting. The Company therefore performed an analysis to determine if the conversion option was subject to a beneficial conversion feature and determined that the instrument does not have a beneficial conversion feature. During the year ended April 30, 2012, the Company issued a promissory note of $24,000 for amounts previously accrued and owed to a company with a common director with the Company. The promissory note bears interest rate of 6% per annum, is unsecured and due on demand. During the nine months ended January 31, 2017 and 2016, there was no change to the principal amount of the promissory note and interest expense of $1,080 was recorded each year. The principal balance of the note is included as due to related parties in the consolidated balance sheets.

Related Parties

9 Months Ended

Jan. 31, 2017

NOTE 3. RELATED PARTIES

Amounts due from related parties are unsecured, non-interest bearing and due on demand. Related parties consist of the directors and officers and a former director of REGI and companies controlled or significantly influenced by these parties. As of January 31, 2017, there was $1,842,507 due to related parties. As of April 30, 2016, there was $1,916,876 due to related parties.

During the nine month period ended January 31, 2017, the CEO paid on behalf of the Company $11,827 for the purchase of the office furniture.

During the nine month period ended January 31, 2017, the Chief Engineer who is also a director of the Company paid on behalf of the Company $4,848 for the purchase of the research equipment.

During the nine month period ended January 31, 2017, the Company’s CEO and Chief Engineer agreed to convert $96,152 of payables due to them into convertible note promissory notes.

The Convertible Notes are secured against all assets of the Company, repayable two years after the issuance, bearing simple interest rate of 10% during the term of the notes and simple interest rate of 20% after the due date, and convertible at any time on or after ninety days from the issuance date into the Company’s common stocks at $0.10 per share.

The Company analyzed the conversion option in the notes for derivative accounting treatment under ASC Topic 815, “Derivatives and Hedging,” and determined that the instrument does not qualify for derivative accounting.

The Company therefore performed an analysis to determine if the conversion option was subject to a beneficial conversion feature and determined that the instrument does not have a beneficial conversion feature.

During the year ended April 30, 2012, the Company issued a promissory note of $24,000 for amounts previously accrued and owed to a company with a common director with the Company. The promissory note bears interest rate of 6% per annum, is unsecured and due on demand. During the nine months ended January 31, 2017 and 2016, there was no change to the principal amount of the promissory note and interest expense of $1,080 was recorded each year. The principal balance of the note is included as due to related parties in the consolidated balance sheets.