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Supplemental Financial Statement Information | 6 Months Ended
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Jun. 30, 2021
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
Supplemental Financial Statement Information | (8) Supplemental Financial Statement Information Property and Equipment Property and equipment consisted of the following (in thousands):
|  | At December 31, 2020 |  |  | At June 30, 2021 |
Computer and other related equipment |  | $ | 13,278 |  |  | $ | 13,273 |
Purchased and internally developed software |  |  | 2,058 |  |  |  | 2,444 |
Furniture and fixtures |  |  | 1,271 |  |  |  | 1,271 |
Leasehold improvements |  |  | 1,737 |  |  |  | 1,732 |
|  | $ | 18,344 |  |  | $ | 18,720 |
Less: Accumulated depreciation and amortization |  |  | (15,597 | ) |  |  | (16,232 | )
Property and equipment, net |  | $ | 2,747 |  |  | $ | 2,488 |
Depreciation and amortization expense related to property and equipment was approximately $399,000 and $328,000 for the three months ended June 30, 2020 and 2021, respectively. Depreciation and amortization expense related to property and equipment was approximately $826,000 and $687,000 for the six months ended June 30, 2020 and 2021, respectively. Interest income and other Interest income and other consists of the following (in thousands):
|  | For the Six Months Ended |  |  | For the Three Months Ended |
|  | 2020 |  |  | 2021 |  |  | 2020 |  |  | 2021 |
Interest Income |  | $ | 102 |  |  | $ | 2 |  |  | $ | 5 |  |  | $ | - |
Interest Expense & Foreign Currency |  |  | 33 |  |  |  | (32 | ) |  |  | 23 |  |  |  | (19 | )
Other |  |  | 7 |  |  |  | 2,504 |  |  |  | 4 |  |  |  | 2,505 |
Total |  | $ | 142 |  |  | $ | 2,474 |  |  | $ | 32 |  |  | $ | 2,486 |
During the second quarter of 2021, we received $2.5 million related to a contractual settlement of an upside payment with previously divested properties.

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