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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income | $ 4,358 | $ 271
Adjustments to reconcile net income to net cash (used in) provided by operating activities: |  |
Provision for doubtful accounts | 30 | 255
Depreciation and amortization | 4,987 | 5,012
Non-cash lease expense | 2,792 | 0
Share-based compensation expense | 851 | 1,124
Loss (gain) on sale of property, plant and equipment | 3 | (2,267)
Deferred income taxes | 365 | (744)
Purchase of trading investment securities | (57) | (96)
Proceeds from sale of trading investment securities | 105 | 566
Realized and unrealized gains on investments | (173) | (11)
Foreign exchange (gains) losses | (205) | 834
Changes in assets and liabilities: |  |
Accounts receivable | (1,035) | 369
Inventories | (2,052) | 2,317
Prepaid expenses and other current assets | (259) | (1,471)
Other assets | (767) | (164)
Accounts payable | (1,226) | (28)
Accrued volume incentives and service fees | (235) | 673
Accrued liabilities | (6,203) | 4,762
Deferred revenue | 1,039 | (1,795)
Lease liabilities | (2,340) |
Income taxes payable | (1,207) | 197
Liability related to unrecognized tax benefits | (40) | 68
Deferred compensation payable | 125 | (435)
Net cash (used in) provided by operating activities | (1,144) | 9,437
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Purchases of property, plant and equipment | (2,774) | (2,671)
Proceeds from sale of property, plant and equipment | 0 | 2,558
Net cash used in investing activities | (2,774) | (113)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Principal payments of revolving credit facility | (547) | (33,483)
Proceeds from revolving credit facility | 547 | 27,512
Proceeds from related party borrowing | 0 | 500
Proceeds from the exercise of stock awards | 0 | 410
Tax benefit from stock awards | (193) | (465)
Net cash used in financing activities | (193) | (5,526)
Effect of exchange rates on cash and cash equivalents | (186) | 190
Net (decrease) increase in cash and cash equivalents | (4,297) | 3,988
Cash and cash equivalents at the beginning of the period | 50,638 | 42,910
Cash and cash equivalents at the end of the period | 46,341 | 46,898
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION: |  |
Cash paid for income taxes, net of refunds | 3,895 | 2,272
Cash paid for interest | $ 63 | $ 160

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- Definition The cash inflow from a long-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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