Related Party Transactions/Activity	9 Months Ended
Feb. 28, 2021
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 President and CEO, 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 28(29), 2021 and 2020. 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 28(29), 2021 and 2020. As of February 28, 2021, future minimum payments under the non-cancelable operating lease for the remaining ten months are $40,000. TriEnda Holdings, LLC TriEnda Holdings, LLC (“TriEnda”) is a manufacturer of plastic pallets, protective packing and dunnage utilizing thermoform processing for which Warren F. 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’s transactions with TriEnda include periodic material and pallet sales and/or purchases. Purchases for the nine months ended February 28(29), 2021 and 2020 totaled $52,356 and $5,400, respectively. Sales for the nine months ended February 28(29), 2021 and 2020 totaled $54,871 and $111, respectively, with an account receivable due from TriEnda as of February 28, 2021 of $11,140. 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 $343,350 and $393,720 for the nine months ended February 28(29), 2021 and 2020, respectively. The account receivable due from Green as of February 28, 2021 was $107,100.

Related Party Transactions/Activity

9 Months Ended

Feb. 28, 2021

Note 5. Related Party Transactions/Activity

Yorktown Management & Financial Services, LLC

Yorktown Management & Financial Services, LLC (“Yorktown”), an entity wholly-owned by Greystone’s President and CEO, 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 28(29), 2021 and 2020.

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 28(29), 2021 and 2020. As of February 28, 2021, future minimum payments under the non-cancelable operating lease for the remaining ten months are $40,000.

TriEnda Holdings, LLC

TriEnda Holdings, LLC (“TriEnda”) is a manufacturer of plastic pallets, protective packing and dunnage utilizing thermoform processing for which Warren F. 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’s transactions with TriEnda include periodic material and pallet sales and/or purchases. Purchases for the nine months ended February 28(29), 2021 and 2020 totaled $52,356 and $5,400, respectively. Sales for the nine months ended February 28(29), 2021 and 2020 totaled $54,871 and $111, respectively, with an account receivable due from TriEnda as of February 28, 2021 of $11,140.

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 $343,350 and $393,720 for the nine months ended February 28(29), 2021 and 2020, respectively. The account receivable due from Green as of February 28, 2021 was $107,100.