NOTE 7 - CONCENTRATIONS

Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist principally of cash and unsecured trade accounts receivable. The Company maintains cash balances in non-interest bearing bank deposit accounts at a California commercial bank. The Company’s cash balance at this institution is secured by the Federal Deposit Insurance Corporation up to $250,000. As of September 30, 2022 and June 30, 2022, cash was approximately $306,000 and $485,000, respectively. The Company has not experienced any losses in such accounts. Management believes that the Company is not exposed to any significant credit risk with respect to its cash.

Customer Concentrations

During the three months ended September 30, 2022, the Company had four (4) major customers that each represented more than 10% of revenues on an individual basis, and together represented approximately $13,021,000 or 73% of total revenues.

During the three months ended September 30, 2021, the Company had four (4) major customers that each represented more than 10% of revenues on an individual basis, and together represented approximately $3,605,000 or 57% of total revenues.

Suppliers/Vendor Concentrations

The Company obtains several components and supplies included in its products from a group of suppliers. During the three months ended September 30, 2022, the Company had two (2) suppliers who accounted for more than 10% of total purchases on an individual basis, and together represented approximately $5,781,000 or 36% of total purchases.

During the three months ended September 30, 2021, the Company had two (2) suppliers who accounted for more than 10% of total purchases on an individual basis, and together represented approximately $2,179,000 or 24% of total purchases.