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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
Operating activities: |  |
Net loss | $ (2,835) | $ (646)
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation, depletion and accretion of asset retirement obligations | 14,604 | 14,496
Amortization of intangible assets | 396 | 398
Net (gain) loss on disposal of fixed assets | (720) | 6
Amortization of deferred financing cost | 121 | 145
Loss on extinguishment of debt | 0 | 1,310
Deferred income taxes | (4,611) | 2,927
Stock-based compensation, net | 1,921 | 1,482
Employee stock purchase plan compensation | 12 | 12
Changes in assets and liabilities: |  |
Accounts receivable | (6,195) | (3,001)
Unbilled receivables | 5,310 | (1,771)
Inventory | (3,616) | 1,793
Prepaid expenses and other assets | (789) | 118
Deferred revenue | (36) | (518)
Accounts payable | (1,284) | (7,247)
Accrued and other expenses | 1,309 | 1,515
Net cash provided by operating activities | 3,587 | 11,019
Investing activities: |  |
Purchases of property, plant and equipment | (6,212) | (3,000)
Proceeds from disposal of assets | 740 | 2
Net cash used in investing activities | (5,472) | (2,998)
Financing activities: |  |
Dividend payments to stockholders | (79) | 0
Proceeds from the issuance of notes payable | 0 | 9,109
Repayments of notes payable | (1,762) | (8,904)
Proceeds from revolving credit facility | 25,000 | 15,000
Repayment of revolving credit facility | (16,000) | (21,000)
Payments under finance leases | (112) | (114)
Payment of deferred financing and debt issuance costs | (10) | (503)
Payment for debt extinguishment costs | 0 | (1,227)
Employee stock purchase plan issuance | 26 | 25
Repurchase of treasury stock from restricted stock vesting | (372) | (222)
Repurchase of treasury stock from Repurchase Program | (2,067) | 0
Net cash provided by (used in) financing activities | 4,624 | (7,836)
Net increase in cash and cash equivalents | 2,739 | 185
Cash and cash equivalents at beginning of year | 1,554 | 6,072
Cash and cash equivalents at end of period | 4,293 | 6,257
Supplemental disclosure of cash flow information |  |
Purchases of property, plant and equipment in accounts payable and accrued expenses | 1,081 | 1,310
Fixed assets purchased with debt | $ 1,846 | $ 1,358

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