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Related party transactions
12 Months Ended
Dec. 31, 2021
Related party transactions  
Related party transactions

20. Related party transactions

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The Company, through PERC and the services segment, purchases engineering and technology support services from various companies with a minority shareholder who is also a minority shareholder of PERC. During the years ended December 31, 2021 and 2020, the Company made total purchases of services of approximately $438,000 and $1,349,000

from these companies, respectively. These total purchases are included in the Company’s cost of revenue in the accompanying consolidated statements of income.

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On February 1, 2021, PERC entered into a sublease agreement with a related company commencing March 14, 2021 and ending August 31, 2021. This lease has been extended on a month-to-month basis subsequent to August 31, 2021. During the year ended December 31, 2021, the Company recognized approximately $77,000 of expense related to this lease. This lease amount is included in the Company's general and administrative expenses in the accompanying consolidated statements of income.

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The total amount of accounts payable outstanding to these companies as of December 31, 2021 and 2020, was approximately $164,000 and $201,000, respectively.