Related Party Transactions/Activity	9 Months Ended
Feb. 29, 2020
Related Party Transactions [Abstract]
Related Party Transactions/Activity	Note 5. Related Party Transactions/Activity Yorktown Management & Financial Services, LLC Yorktown Management & Financial Services, LLC (“Yorktown”), an entity wholly-owned by Greystone’s CEO and President, owns and rents to Greystone (1) grinding equipment used to grind raw materials for Greystone’s pallet production and (2) extruders for pelletizing recycled plastic into pellets for resale and for use as raw material in the manufacture of pallets. GSM pays weekly rental fees to Yorktown of $27,500 for use of Yorktown’s grinding equipment and pelletizing equipment. Rental fees were $1,072,500 for the each of the nine months ended February 29(28), 2020 and 2019. Effective January 1, 2017, Greystone and Yorktown entered into a five-year lease for office space at a monthly rental of $4,000 per month. Total rent expense was $36,000 for each of the nine months ended February 29(28), 2020 and 2019. At February 29, 2020, future minimum payments under the non-cancelable operating lease for the remaining two years are $48,000 and $40,000. TriEnda Holdings, L.L.C. TriEnda Holdings, L.L.C. (“TriEnda”) is a manufacturer of plastic pallets, protective packing and dunnage utilizing thermoform processing for which Warren Kruger, Greystone’s President and CEO, serves TriEnda as the non-executive Chairman of the Board and is a partner in a partnership which has a majority ownership interest in TriEnda. Greystone periodically purchases material and pallets from TriEnda. Purchases for the nine months ended February 29(28), 2020 and 2019 totaled $5,400 and $42,349, respectively. Green Plastic Pallets Greystone sells plastic pallets to Green Plastic Pallets (“Green”), an entity that is owned by James Kruger, brother to Warren Kruger, Greystone’s President and CEO. Greystone had sales to Green of $393,720 and $167,400 for the nine months ended February 29(28), 2020 and 2019, respectively. The account receivable due from Green at February 29, 2020 was $122,400.

Related Party Transactions/Activity

9 Months Ended

Feb. 29, 2020

Note 5. Related Party Transactions/Activity

Yorktown Management & Financial Services, LLC

Yorktown Management & Financial Services, LLC (“Yorktown”), an entity wholly-owned by Greystone’s CEO and President, owns and rents to Greystone (1) grinding equipment used to grind raw materials for Greystone’s pallet production and (2) extruders for pelletizing recycled plastic into pellets for resale and for use as raw material in the manufacture of pallets. GSM pays weekly rental fees to Yorktown of $27,500 for use of Yorktown’s grinding equipment and pelletizing equipment. Rental fees were $1,072,500 for the each of the nine months ended February 29(28), 2020 and 2019.

Effective January 1, 2017, Greystone and Yorktown entered into a five-year lease for office space at a monthly rental of $4,000 per month. Total rent expense was $36,000 for each of the nine months ended February 29(28), 2020 and 2019. At February 29, 2020, future minimum payments under the non-cancelable operating lease for the remaining two years are $48,000 and $40,000.

TriEnda Holdings, L.L.C.

TriEnda Holdings, L.L.C. (“TriEnda”) is a manufacturer of plastic pallets, protective packing and dunnage utilizing thermoform processing for which Warren Kruger, Greystone’s President and CEO, serves TriEnda as the non-executive Chairman of the Board and is a partner in a partnership which has a majority ownership interest in TriEnda. Greystone periodically purchases material and pallets from TriEnda. Purchases for the nine months ended February 29(28), 2020 and 2019 totaled $5,400 and $42,349, respectively.

Green Plastic Pallets

Greystone sells plastic pallets to Green Plastic Pallets (“Green”), an entity that is owned by James Kruger, brother to Warren Kruger, Greystone’s President and CEO. Greystone had sales to Green of $393,720 and $167,400 for the nine months ended February 29(28), 2020 and 2019, respectively. The account receivable due from Green at February 29, 2020 was $122,400.