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v3.21.1

CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Cash flows from operating activities: |  |
Net income (loss) | $ (18,641) | $ 5,905
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Depreciation and lease asset amortization | 1,940 | 2,220
Other amortization, net | 15 | 13
Asset impairments | 22,750 |
(Gain) loss on sale of fixed assets and other assets, net | (6) | (5)
Stock-based compensation expense | 313 | 95
Changes in operating assets and liabilities: |  |
Contract receivables and retainage, net | (2,779) | 9,917
Contract assets | (3,851) | (12,777)
Prepaid expenses, inventory and other current assets | 228 | 1,829
Accounts payable | 1,756 | 9,663
Contract liabilities | (3,317) | (14,700)
Accrued expenses and other current liabilities | 2,303 | (1,918)
Noncurrent assets and liabilities, net (including long-term retainage) | (353) | (235)
Net cash provided by operating activities | 358 | 7
Cash flows from investing activities: |  |
Capital expenditures | (460) | (2,124)
Proceeds from sale of property, plant and equipment | 39 | 1,080
Net cash used in investing activities | (421) | (1,044)
Cash flows from financing activities: |  |
Payment of financing cost |  | (30)
Tax payments for vested stock withholdings | (100) | (74)
Net cash used in financing activities | (100) | (104)
Net decrease in Cash, cash equivalents and restricted cash | (163) | (1,141)
Cash, cash equivalents and restricted cash, beginning of period | 43,159 | 49,703
Cash, cash equivalents and restricted cash, end of period | $ 42,996 | $ 48,562

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