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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Cash flows from operating activities: |  |
Net loss | $ (2,047) | $ (815)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities: |  |
Depreciation and amortization | 847 | 852
Accretion of interest on contractual payment obligation | 32 | 44
Stock-based compensation expense | 640 | 687
Amortization of debt issuance costs | 24 | 25
Changes in operating assets and liabilities, net of acquisition: |  |
Accounts receivable | (1,671) | 157
Inventories | 208 | 1,431
Prepaid expenses and other assets | (170) | 318
Accounts payable | (324) | 268
Contractual payment obligation liability | (319) | (310)
Deferred revenue | (547) | 560
Accrued expenses and other liabilities | (382) | (1,728)
Net cash (used in) provided by operating activities | (3,709) | 1,489
Cash flows from investing activities: |  |
Capital expenditures | (137) | (65)
Acquisition of business, net of cash acquired |  | (1,287)
Net cash used in investing activities | (137) | (1,352)
Cash flows from financing activities: |  |
Proceeds from issuance of debt, net of issuance costs | 4,346 | 1,646
Repayments of debt | (709) | (1,371)
Repayments of notes payable |  | (2,000)
Taxes paid related to net share settlement of restricted stock units | (225) | (228)
Net cash provided by (used in) financing activities | 3,412 | (1,953)
Effect of exchange rates on cash | (253) | (120)
Net decrease in cash | (687) | (1,936)
Cash at beginning of period | 9,383 | 10,866
Cash at end of period | 8,696 | 8,930
Supplemental Disclosures of Cash Flow Information: |  |
Interest paid | 228 | 245
Taxes paid, net | $ 39 | 29
Common Stock |  |
Non-cash investing and financing activities: |  |
Common stock issued for acquisition of business, net |  | $ 1,635

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