15. SEGMENT INFORMATION

6 Months Ended

Nov. 30, 2020

Segment Reporting [Abstract]

15. SEGMENT INFORMATION

15. SEGMENT INFORMATION

    The Company has only one reportable segment. The information for revenue category by type, product line, geography and timing of revenue recognition, is summarized in Note “3. REVENUE.”

    Property and equipment information is based on the physical location of the assets. The following table presents property and equipment information for geographic areas (in thousands):

	November 30,		May 31,
	2020		2020
United States	$	682	$	662
Asia		1		1
Europe		—		—
	$	683	$	663

    As of November 30, 2020, the operating lease right-of-use assets of $1,918,000 are allocated in the United States.

    There were no revenues through distributors for the three and six months ended November 30, 2020 and 2019.

    Sales to the Company’s five largest customers accounted for approximately 90% and 74% of its net sales in the three and six months ended November 30, 2020, respectively. Five customers accounted for approximately 22%,18%, 18%, 16% and 15% of the Company’s net sales in the three months ended November 30, 2020. Five customers accounted for approximately 20%, 18%, 15%, 11% and 10% of the Company’s net sales in the six months ended November 30, 2020. Sales to the Company’s five largest customers accounted for approximately 95% and 88% of its net sales in the three and six months ended November 30, 2019, respectively. Two customers accounted for approximately 44% and 32% of the Company’s net sales in the three months ended November 30, 2019. Three customers accounted for approximately 42%, 24% and 10% of the Company’s net sales in the six months ended November 30, 2019. No other customers represented more than 10% of the Company’s net sales in the three and six months ended November 30, 2020 and 2019.