Note 4. Accounts Payable and Accrued Liabilities

As of February 28, 2021 and May 31, 2020, the combined total balance of the Company’s accounts payable and accrued liabilities was approximately $86.1 million and $36.4 million, respectively. The Company had two vendors which each accounted for approximately 79% and 10%, and 49% and 20%, of the combined total balance of accounts payable and accrued liabilities as of February 28, 2021 and May 31, 2020, respectively.