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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income | $ 9,139 | $ 4,358
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |
Provision for doubtful accounts | 17 | 30
Depreciation and amortization | 5,070 | 4,987
Non-cash lease expense | 2,257 | 2,792
Share-based compensation expense | 1,130 | 851
Loss on sale of property, plant and equipment | 6 | 3
Deferred income taxes | 912 | 365
Purchase of trading investment securities | (35) | (57)
Proceeds from sale of trading investment securities | 146 | 105
Realized and unrealized losses (gains) on investments | 4 | (173)
Foreign exchange losses (gains) | 996 | (205)
Changes in assets and liabilities: |  |
Accounts receivable | 173 | (1,035)
Inventories | (4,114) | (2,052)
Prepaid expenses and other current assets | (1,523) | (259)
Other assets | (69) | (767)
Accounts payable | (138) | (1,226)
Accrued volume incentives and service fees | 1,523 | (235)
Accrued liabilities | 59 | (6,203)
Deferred revenue | 582 | 1,039
Lease liabilities | (2,072) | (2,340)
Income taxes payable | 607 | (1,207)
Liability related to unrecognized tax benefits | (135) | (40)
Deferred compensation payable | (115) | 125
Net cash provided by (used in) operating activities | 14,420 | (1,144)
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Purchases of property, plant and equipment | (2,210) | (2,774)
Net cash used in investing activities | (2,210) | (2,774)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Principal payments of revolving credit facility | 0 | (547)
Proceeds from revolving credit facility | 0 | 547
Proceeds from note payable | 5,374 | 0
Tax benefit from stock awards | (210) | (193)
Net cash provided by (used in) financing activities | 5,164 | (193)
Effect of exchange rates on cash and cash equivalents | (748) | (186)
Net increase (decrease) in cash and cash equivalents | 16,626 | (4,297)
Cash and cash equivalents at the beginning of the period | 53,629 | 50,638
Cash and cash equivalents at the end of the period | 70,255 | 46,341
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION: |  |
Cash paid for income taxes, net of refunds | 2,143 | 3,895
Cash paid for interest | $ 3 | $ 63

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