Related Party Transactions (Tables)

3 Months Ended

Mar. 31, 2023

Related Party Transactions [Abstract]

Schedule of Related Party Transactions

The following table sets forth payment guarantees of the Company's obligations as of March 31, 2023 that have been provided by Dasan Networks, Inc. ("DNI"). DNI owns approximately 29.2% of the outstanding shares of the Company's common stock. The amount guaranteed exceeds the principal amounts of outstanding obligations due to collateral requirements by the banks.

Guarantor	Amount Guaranteed (in thousands)		Description of Obligations Guaranteed
Dasan Networks, Inc.	$	4,422	Payment guarantee to Industrial Bank of Korea
Dasan Networks, Inc.	3,068		Payment guarantee to Shinhan Bank
	$	7,490

, cost of revenue, operating expense, interest expense, net and other expenses to and from related parties were as follows (in thousands) for the three months ended March 31, 2023 and 2022:

	Three Months Ended March 31, 2023
Counterparty	Net revenue		Cost of revenue		Operating expense		Interest expense, net		Other expenses
Dasan Networks, Inc.	$	153	$	128	$	294	$	79	$	16

	Three Months Ended March 31, 2022
Counterparty	Net revenue		Cost of revenue		Operating expense		Interest expense, net		Other expenses
Dasan Networks, Inc.	$	198	$	177	$	407	$	—	$	17

Balances of receivables and payables arising from sales and purchases of goods and services with related parties as of March 31, 2023 and December 31, 2022 were included in the following balance sheet captions on the unaudited condensed consolidated balance sheets, as follows (in thousands):

	As of March 31, 2023
Counterparty	Account receivables		Other receivables		Loans Payable		Accounts payable		Accrued and other liabilities
Dasan Networks, Inc.	$	224	$	—	$	3,827	$	895	$	212

	As of December 31, 2022
Counterparty	Account receivables		Other receivables		Loans Payable		Accounts payable		Accrued and other liabilities
Dasan Networks, Inc.	$	943	$	123	$	5,706	$	1,019	$	483