Arena Group Holdings, Inc.AREN
| Dec 31, 2011 | Dec 31, 2012 | Dec 31, 2013 | Dec 31, 2014 | Dec 31, 2015 | Dec 31, 2016 | Dec 31, 2017 | Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Net loss | -262,751 | 568,366 | -177,259 | -235,755 | -197,138 | -2,187,758 | -6,284,313 | -26,067,883 | -38,501,369 | -89,231,963 | -89,939,653 | -3 | -56 | -101 |
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| Depreciation of property and equipment | - | - | - | - | - | 390 | - | 28,857 | 276,791 | 638,796 | 443,422 | 1 | 0 | 0 |
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| Amortization of platform development and intangible assets | - | - | - | - | - | - | - | - | - | - | 20 | 21 | 27 | 12 |
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| Amortization of debt costs | - | - | - | - | - | - | - | - | - | - | - | 2 | 2 | 1 |
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| Noncash and accrued interest | - | - | - | - | - | - | - | - | - | - | - | - | -4 | - |
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| Loss on impairment of assets | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 41 |
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| Loss on sale of assets | - | - | - | - | - | - | - | -94,875 | - | - | -1,192,310 | -0 | - | - |
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| Change in valuation of contingent consideration | - | - | - | - | - | - | - | 964,124 | -1,015,151 | 496,305 | 34,492 | - | -1 | -0 |
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| Liquidated damages | - | - | - | - | - | - | - | - | - | - | - | 1 | 1 | 0 |
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| Stock-based compensation | 68,751 | 62,500 | 56,250 | 50,000 | 50,000 | 1 | 2 | 4 | 10 | 15 | 30 | 31 | 19 | 3 |
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| Deferred income taxes | - | - | - | - | - | - | - | -91,633 | -19,541,127 | 210,832 | -1,674,434 | -1 | 0 | 0 |
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| Bad debt expense | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 3 |
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| Other | - | - | - | - | - | - | - | - | - | -245,285 | -499,196 | 0 | - | -0 |
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| Accounts receivable | - | - | - | - | - | - | 53,202 | - | 2 | -362,460 | 3 | 2 | 12 | -10 |
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| Subscription acquisition costs | - | - | - | - | - | - | - | - | - | - | -3,108,403 | 2 | -3 | -6 |
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| Prepayments and other current assets | - | - | - | - | - | 117,830 | 52,783 | 424,373 | 2 | 356,528 | -48,983 | -2 | 2 | -2 |
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| Other long-term assets | - | - | - | - | - | - | - | - | - | - | -691,661 | 0 | 0 | -1 |
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| Accounts payable | 500 | -5,452 | - | - | - | - | - | 2 | 3 | -1,404,703 | 4 | -7 | -3 | -4 |
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| Accrued expenses and other | - | - | - | - | - | -69,676 | 84,875 | -129,535 | 12 | -3,392,507 | 7 | -3 | 3 | 30 |
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| Unearned revenue | - | - | - | - | - | - | - | 104,134 | 9 | 22 | -15,818,724 | 4 | -8 | -19 |
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| Subscription refund liability | - | - | - | - | - | - | - | - | - | - | -948,732 | -2 | -0 | 0 |
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| Operating lease liability | - | - | - | - | - | - | - | - | - | - | - | -0 | -0 | -0 |
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| Contingent consideration | - | - | - | - | - | - | - | - | - | - | - | - | - | -2 |
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| Other long-term liabilities | - | - | - | - | - | - | - | - | - | 511,055 | - | -3 | -6 | -0 |
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| Net cash used in operating activities | -98,738 | -141,962 | -143,648 | - | - | - | -4,194,392 | -7,417,680 | -56,954,306 | -32,294,587 | -14,729,389 | -11 | -25 | -16 |
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| Purchases of property and equipment | - | - | - | - | - | - | - | 31,625 | 150,763 | 1 | 376,635 | 1 | - | 0 |
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| Capitalized platform development | - | - | - | - | - | - | - | - | - | - | 5 | 5 | 4 | 5 |
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| Proceeds from sale of assets | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - |
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| Payments for acquisitions, net of cash | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - |
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| Net cash used in investing activities | 481,361 | -167,031 | 129,373 | - | - | - | -2,039,599 | -23,589,027 | -19,019,191 | -4,927,833 | -13,145,958 | -39 | -3 | -5 |
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| Proceeds from bridge notes, net of debt costs | - | - | - | - | - | - | - | - | - | - | - | 35 | 8 | - |
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| Payment of Fexy put option | - | - | - | - | - | - | - | - | - | - | - | - | - | 1 |
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| (Repayments) proceeds under line of credit | - | - | - | - | - | - | - | - | - | 7 | 5 | 2 | - | -20 |
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| Proceeds from common stock private placement | - | - | - | - | - | - | 6 | 1 | - | - | 20 | - | - | 12 |
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| Proceeds from Simplify loan | - | - | - | - | - | - | - | - | - | - | - | - | - | 26 |
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| Proceeds from common stock public offering, net of offering costs | - | - | - | - | - | 2,952 | - | - | - | - | - | - | - | - |
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| Payments of issuance costs from common stock public offering | - | - | - | - | - | - | - | 159,208 | - | - | - | - | 0 | - |
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| Payments of debt issuance costs | - | - | - | - | - | - | - | - | 7 | 560,500 | - | - | 0 | - |
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| Payment of deferred cash payment | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | 0 |
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| Payment for taxes related to common stock withheld for taxes | - | - | - | - | - | - | - | - | - | - | - | 4 | 1 | 1 |
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| Net cash provided by financing activities | - | - | - | - | - | 1 | 9 | 30 | 83 | 37 | 28 | 54 | 23 | 16 |
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| Net decrease in cash and cash equivalents | - | - | - | - | - | - | 3 | -1,091,960 | 7 | 61,591 | 316,119 | 5 | -5 | -5 |
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| Cash paid for interest | - | - | - | - | - | - | - | 39,373 | 3 | 645,681 | 1 | 10 | 12 | 18 |
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| Cash paid for income taxes | - | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 |
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| Reclassification of stock-based compensation to platform development | - | - | - | - | - | - | - | - | - | - | - | - | 1 | 0 |
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| Debt costs recorded in accrued expenses and other and in other long-term liabilities | - | - | - | - | - | - | - | - | - | - | - | 0 | 0 | - |
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| Repurchase of common stock for Fexy put option | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 |
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| Issuance of common stock upon conversion of Series H convertible preferred stock | - | - | - | - | - | - | - | - | - | - | - | - | 13 | 15 |
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| Issuance of common stock in connection with settlement of liquidated damages | - | - | - | - | - | - | 482,600 | 150,000 | - | - | - | - | 0 | - |
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| Issuance of common stock in connection with an acquisition | - | - | - | - | - | - | - | - | - | - | - | 3 | 2 | - |
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| Deferred cash payments recorded in connection with acquisitions | - | - | - | - | - | - | - | - | - | - | - | 1 | 0 | - |
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| Assumption of liabilities in connection with acquisitions | - | - | - | - | - | - | - | - | - | - | - | 17 | 1 | - |
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| Reclassification to liability upon common stock modification | - | - | - | - | - | - | - | - | - | - | - | - | 0 | - |
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