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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2024
Accounting Policies [Abstract] |
Summary of End-of-period Cash and Cash Equivalents and Cash, Cash Equivalents and Restricted Cash from Financial Statements | The following table summarizes the end-of-period cash and cash equivalents from the Company's Consolidated Balance Sheets and the total cash, cash equivalents and restricted cash as presented in the accompanying Consolidated Statements of Cash Flows (in thousands).
| For the Year Ended December 31, |
| 2024 |  |  | 2023 |
Cash and cash equivalents shown in balance sheets | $ | 56,087 |  |  | $ | 72,909 |
Restricted cash classified in other assets (1): |  | 2,100 |  |  |  | 2,133 |
Cash, cash equivalents and restricted cash shown in statement of cash flows | $ | 58,187 |  |  | $ | 75,042 |
(1) Restricted cash consists of collateral required for leased office space. The short-term or long-term classification regarding the collateral for the leased office space is determined in accordance with the expiration of the underlying leases.
Summary of Stock-Based Compensation Expense Recorded in Expense Categories | Stock-based compensation expense was recorded in the following expense categories (in thousands):
|  | Years Ended December 31, |
|  | 2024 |  |  | 2023 |  |  | 2022 |
Cost of services and fulfillment |  | $ | 8,700 |  |  | $ | 9,068 |  |  | $ | 8,435 |
Selling and marketing |  |  | 2,164 |  |  |  | 2,943 |  |  |  | 2,774 |
General and administrative |  |  | 3,479 |  |  |  | 3,475 |  |  |  | 3,334 |
Total |  | $ | 14,343 |  |  | $ | 15,486 |  |  | $ | 14,543 |
Shares Subject to Employee Stock Purchase Plan Valuation Assumptions | The options granted under the equity incentive plan and sha res subject to the employee stock purchase plan were valued utilizing the Black-Scholes model using the following assumptions and had the following fair values (no options were granted in 2024 or 2022):
|  | 2024 |  |  | 2023 |  |  | 2022 |
|  | Employee Stock Purchase Plan |  |  | Equity Incentive Plans |  |  | Employee Stock Purchase Plan |  |  | Employee Stock Purchase Plan |
Average risk-free interest rate |  |  | 4.55 | % |  |  | 4.27 | % |  |  | 5.51 | % |  |  | 3.71 | %
Expected dividend yield |  |  | 0.0 | % |  |  | 0.0 | % |  |  | 0.0 | % |  |  | 0.0 | %
Expected life |  | 0.5 Years |  |  | 4.75 Years |  |  | 0.5 Years |  |  | 0.5 Years |
Expected volatility |  |  | 38 | % |  |  | 43 | % |  |  | 35 | % |  |  | 33 | %
Weighted average fair value |  | $ | 4.86 |  |  | $ | 14.24 |  |  | $ | 7.90 |  |  | $ | 10.22 |
Depreciation and Amortization of Property and Equipment, Useful Life | Forrester provides for depreciation and amortization of property and equipment, computed using the straight-line method, over their estimated useful lives of its assets as follows:
|  | Estimated
|  | Useful Life
Computers and equipment |  | 3 to 10 Years
Computer software |  | 3 to 5 Years
Furniture and fixtures |  | 7 Years
Leasehold improvements |  | Shorter of asset life or lease term
Amortization of Intangible Assets, Estimated Useful Life | Forrester provides for amortization of intangible assets, computed using an accelerated method according to the expected cash flows to be received from the underlying assets, over their estimated useful lives as follows:
|  | Estimated
|  | Useful Life
Customer relationships |  | 5 to 9 Years
Technology |  | 1 to 8 Years
Trademarks |  | 6 to 8 Years
Schedule of Basic and Diluted Weighted Average Common Shares | Basic and diluted weighted average common shares are as follows (in thousands):
|  | Years Ended December 31, |
|  | 2024 |  |  | 2023 |  |  | 2022 |
Basic weighted average common shares outstanding |  |  | 19,094 |  |  |  | 19,183 |  |  |  | 18,967 |
Weighted average common equivalent shares |  |  | — |  |  |  | 75 |  |  |  | 205 |
Diluted weighted average common shares outstanding |  |  | 19,094 |  |  |  | 19,258 |  |  |  | 19,172 |
Options and restricted stock units excluded from diluted weighted average share calculation as effect would have been anti-dilutive |  |  | 1,307 |  |  |  | 730 |  |  |  | 210 |

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