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Organization and Summary of Significant Accounting Policies (Tables)
 3 Months Ended
Mar. 31, 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 March 31,
20242023
Access Networking Infrastructure$20,232 $35,005 
Cloud Software & Services7,435 9,362 
Total$27,667 $44,367 
Schedule of Information Revenues by Geographical Concentration
The following table present revenues by geographical concentration (in thousands):
Three Months Ended March 31,
20242023
Americas$15,957 $24,966 
Europe, Middle East, Africa10,823 18,054 
Asia887 1,347 
Total$27,667 $44,367 
Schedule of Allowances for Doubtful Accounts
Activity under the Company’s allowance for credit losses consists of the following (in thousands):
Three Months Ended March 31,
20242023
Balance at beginning of period$4,282 $2,971 
Charged to expense, net of recoveries(161)(74)
Foreign currency exchange impact(11)8 
Balance at end of period$4,110 $2,905