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Organization and Summary of Significant Accounting Policies (Tables)
 6 Months Ended
Jun. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Revenues by Source
The following table presents revenues by product technology (in thousands):
Three Months Ended June 30,Six Months Ended June 30,
2024202320242023
Access Networking Infrastructure$23,612 $20,951 $43,844 $55,956 
Cloud Software & Services7,454 9,672 14,889 19,034 
Total$31,066 $30,623 $58,733 $74,990 
Schedule of Information Revenues by Geographical Concentration
The following table present revenues by geographical concentration (in thousands):
Three Months Ended June 30,Six Months Ended June 30,
2024202320242023
Americas$11,452 $15,100 $27,409 $40,066 
Europe, Middle East, Africa16,324 14,907 27,147 32,961 
Asia, Australia, New Zealand3,290 616 4,177 1,963 
Total$31,066 $30,623 $58,733 $74,990 
Schedule of Allowances for Doubtful Accounts
Activity under the Company’s allowance for expected credit losses consists of the following (in thousands):
Six Months Ended June 30,
20242023
Balance at beginning of period$4,282 $2,971 
Charged to expense, net of recoveries(333)530 
Foreign currency exchange impact(12)17 
Balance at end of period$3,937 $3,518