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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Cash flows from operating activities: |  |
Net loss | $ (24,402) | $ (3,352)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |
Depreciation and amortization | 5,466 | 5,098
Asset impairments |  | 484
Change in allowance for doubtful accounts and credit losses | (410) |
Loss on sale or disposal of fixed assets, net | 27 | 19
Gain on insurance recoveries | (571) | (1,200)
Stock-based compensation expense | 1,991 | 2,302
Changes in operating assets and liabilities: |  |
Contract receivables and retainage, net | (7,093) | (13,441)
Contract assets | 2,100 | (80)
Prepaid expenses, inventory and other current assets | (133) | 2,224
Accounts payable | (9) | (1,088)
Contract liabilities | (2,726) | 1,548
Accrued expenses and other current liabilities | 1,206 | (561)
Noncurrent assets and liabilities, net | 31,751 | (876)
Net cash provided by (used in) operating activities | 7,197 | (8,923)
Cash flows from investing activities: |  |
Capital expenditures | (2,876) | (3,086)
Proceeds from Shipyard Transaction |  | 886
Proceeds from sale of property and equipment | 456 | 2,035
Recoveries from insurance claims | 245 | 1,200
Purchases of short-term investments | (39,028) | (9,905)
Maturities of short-term investments | 40,700 |
Net cash used in investing activities | (503) | (8,870)
Cash flows from financing activities: |  |
Payments on Insurance Finance Arrangement | (1,257) | (1,738)
Repurchases of common stock | (128) |
Tax payments for vested stock withholdings | (482) | (234)
Net cash used in financing activities | (1,867) | (1,972)
Net increase (decrease) in cash, cash equivalents and restricted cash | 4,827 | (19,765)
Cash, cash equivalents and restricted cash, beginning of period | 34,824 | 54,589
Cash, cash equivalents and restricted cash, end of period | 39,651 | 34,824
Supplemental cash flow information: |  |
Interest paid | 49 | 149
Accounts payable excluded from capital expenditures | 383 | $ 217
Reclassification of property, plant and equipment to assets held for sale | $ 5,640 |

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