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13. SEGMENT INFORMATION
 6 Months Ended
Nov. 30, 2019
Segment Reporting [Abstract]  
13. SEGMENT INFORMATION

13. 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, 2019  May 31, 2019
United States  $821   $1,005 
Asia   39    40 
Europe   —      —   
   $860   $1,045 

 

    As of November 30, 2019, the operating lease right-of-use assets of $2,387,000 are allocated in the United States.

 

    There were no revenues through distributors for the three and six months ended November 30, 2019 and 2018.

 

    The Company’s Japanese and German subsidiaries primarily comprise the foreign operations. Substantially all of the sales of the subsidiaries are made to unaffiliated Japanese or European customers. Net sales from outside the United States include those of Aehr Test Systems Japan K.K. and Aehr Test Systems GmbH.

 

    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. Sales to the Company’s five largest customers accounted for approximately 94% and 83% of its net sales in the three and six months ended November 30, 2018, respectively. Three customers accounted for approximately 55%, 13% and 13% of the Company’s net sales in the three months ended November 30, 2018. Four customers accounted for approximately 33%, 16%, 15% and 13% of the Company’s net sales in the six months ended November 30, 2018. No other customers represented more than 10% of the Company’s net sales in the three and six months ended November 30, 2019 and 2018.