Significant Customers	12 Months Ended
Jun. 30, 2023
Significant Customers [Abstract]
Significant Customers	Note 9. Significant Customers A significant portion of the Company's business is the production of military and industrial electronic equipment for use by the U.S. and foreign governments and certain industrial customers. Sales to five domestic customers accounted for 81% of total sales in 2023. Sales to four domestic customers accounted for 57% of total sales in 2022. The related accounts receivable balance, as a percentage of the Company's total trade accounts receivable balance, was 81% represented by five customers at June 30, 2023 and 74% represented by four customers at June 30, 2022. Export sales in fiscal years 2023 and 2022 were approximately $549,510 and $1,644,000, respectively.

Significant Customers

12 Months Ended

Jun. 30, 2023

Note 9. Significant Customers

A significant portion of the Company's business is the production of military and industrial electronic equipment for use by the U.S. and foreign governments and certain industrial customers. Sales to five domestic customers accounted for 81% of total sales in 2023. Sales to four domestic customers accounted for 57% of total sales in 2022. The related accounts receivable balance, as a percentage of the Company's total trade accounts receivable balance, was 81% represented by five customers at June 30, 2023 and 74% represented by four customers at June 30, 2022.

Export sales in fiscal years 2023 and 2022 were approximately $549,510 and $1,644,000, respectively.