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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Depreciation and amortization | $ 7,980 | $ 8,058
Amortization of loan fees | (69) | (57)
Accrued interest on certificates of deposit | 199 | 63
Accounts receivable | 6,317 | 3,399
Prepaid expenses and other current assets | (1,401) | (431)
Other assets | 74 | 75
Accounts payable | 5,529 | 1,701
Accrued expenses | 2,175 | (147)
Deferred revenue | (430) | (478)
Purchases of short-term investments | 33,591 | 28,000
Redemption of short-term investments | 38,602 | 10,000
Proceeds from long-term debt | 0 | 8,000
Payments on long-term debt | 834 | 733
Payment for Global Wells noncontrolling membership interest redemption | 2,326 | 0
VIE, Primary Beneficiary |  |
Depreciation and amortization | 910 | 910
Amortization of loan fees | 46 | 41
Accrued interest on certificates of deposit | 49 | 0
Accounts receivable | 0 | 6
Prepaid expenses and other current assets | 24 | 22
Other assets | 12 | (34)
Accounts payable | 4 | 57
Accrued expenses | (225) | 163
Deferred revenue | 0 | 49
Purchases of short-term investments | 18,079 | 8,000
Redemption of short-term investments | 7,000 | 0
Proceeds from long-term debt | 0 | 8,000
Payments on long-term debt | 834 | 733
Payment for Global Wells noncontrolling membership interest redemption | $ 2,010 | $ 0

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- Definition The net increase(decrease) in interest income during the period representing the allocation of deferred loan origination fees less deferred loan origination costs using the effective interest method over the term of the debt arrangement to which they pertain taking into account the effect of prepayments. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 310 -SubTopic 20 -Name Accounting Standards Codification -Section 35 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481655/310-20-35-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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