Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable, net (Details)

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Accounts Receivable, net (Details) - USD ($)
Mar. 31, 2023
Dec. 31, 2022
Receivables [Abstract]    
Billed receivables $ 22,547,000 $ 25,518,000
Unbilled receivables 934,000 1,208,000
Total accounts receivable, net 23,481,000 $ 26,726,000
Allowance for doubtful accounts $ 0