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v3.21.2

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Cash flows from operating activities: |  |
Net income | $ 20,491 | $ 15,565
Adjustments to reconcile net income to net cash (used in) provided by operating activities, net of acquisitions: |  |
Depreciation and amortization | 7,188 | 5,827
Deferred income taxes | 396 | 100
Stock-based compensation | 4,764 | 2,525
Amortization of debt issuance costs under the credit facility | 368 | 370
Provision for doubtful accounts | 529 | 436
Loss (gain) of disposal of assets |  | 352
Changes in operating assets and liabilities, net of acquisitions: |  |
Accounts receivable | (6,232) | 23,342
Prepaid expenses and other current assets | (3,004) | (3,608)
Government stimulus advances | (23,993) |
Accounts payable | 111 | (2,700)
Accrued payroll | (1,900) | (1,800)
Accrued expenses and other long-term liabilities | (2,039) | 10,478
Net cash (used in) provided by operating activities | (3,321) | 50,887
Cash flows from investing activities: |  |
Purchases of property and equipment | (1,847) | (4,842)
Acquisitions of businesses, net of cash acquired | (81) | (295)
Proceeds from disposal of assets |  | 172
Net cash used in investing activities | (1,928) | (4,965)
Cash flows from financing activities: |  |
Payments on term loan — credit facility | (490) | (245)
Cash received from exercise of stock options | 124 | 1,179
Other | (63) | (21)
Net cash (used in) provided by financing activities | (429) | 913
Net change in cash | (5,678) | 46,835
Cash, at beginning of period | 145,078 | 111,714
Cash, at end of period | 139,400 | 158,549
Supplemental disclosures of cash flow information: |  |
Cash paid for interest | 2,136 | 992
Cash paid for income taxes | $ 10,950 | $ 6,414

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