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Summary of Significant Accounting Policies - Narrative (Detail) - USD ($) $ / shares in Units, shares in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disaggregation of Revenue [Line Items] |  |  |
Operating Expenses | $ 41,819,000 | $ 43,059,000 | $ 32,719,000
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest | 252,000 | (2,252,000) | (3,908,000)
Income tax expense (benefit) | (2,740,000) | (6,901,000) | (3,205,000)
Retained earnings | 73,239,000 | 74,539,000 |
Net income (loss) | $ 2,992,000 | $ 4,649,000 | $ (703,000)
Basic (in dollars per share) | $ 0.08 | $ 0.12 | $ (0.02)
Diluted (in dollars per share) | $ 0.08 | $ 0.12 | $ (0.02)
Deferred revenue balance | $ 54,000 | $ 1,154,000 |
Accounts receivable | 40,981,000 | 23,231,000 |
Amortization of deferred financing charges and debt discount | 237,000 | 291,000 | $ 291,000
Probable environmental matters | $ 0 | $ 0 |
Antidilutive securities excluded from computation of earnings per share (in shares) | 1,158 | 1,719 | 2,317
Property, plant and equipment, net | $ 582,000 | $ 908,000 |
Long-term debt, current and long-term portions | 545,000 | 780,000 |
Operating lease right-of-use assets | 23,153,000 | 23,265,000 |
Operating lease liabilities, current and long-term portions | 24,539,000 | 24,592,000 |
Additions and revisions of prior estimates | 373,000 | 328,000 |
Other income | 358,000 | 524,000 | $ 828,000
Prepaid expenses and other current assets | 2,635,000 | 3,217,000 |
Inventory Write-down | 0 | 0 |
Financing Receivable, Credit Loss, Expense (Reversal) | 163,000 | 0 | 1,000
Operating Expenses | 41,819,000 | 43,059,000 | 32,719,000
Employee Retention Credit |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Other income | 5,026,000 |  |
Prepaid expenses and other current assets | $ 522,000 |  |
Developed technology |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Useful Life (in years) | 13 years |  |
Shipping |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Sand cost of goods sold | $ 144,108,000 | $ 118,616,000 | $ 57,770,000

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