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Prepaid Expenses and Other Assets (Details - Prepaid Expenses) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Prepaid Expenses And Other Assets |  |
Prepaid insurance | $ 107 | $ 105
Prepaid licenses | 98 | 80
Employee retention credit receivable | 1,363 | 0
Prepaid other | 309 | 171
Total prepaid expenses and other assets | $ 1,877 | $ 356

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