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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES: |  |
Net income | $ 7,365 | $ 69
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation | 252 | 395
Amortization of intangible assets | 34 | 40
Amortization of debt issuance costs | 511 | 0
Stock based compensation | 66 | 200
Non-cash compensation to consultant | 228 | 0
Loss on disposal of product inventory | 227 | 30
Loss on disposal of property | 0 | 22
Interest expense related to common stock issued in connection with our private placement | 739 | 0
Changes in operating assets and liabilities: |  |
Accounts receivable | 843 | 585
Deferred Revenue | 0 | 845
Prepaid and other assets | (473) | (14)
Accounts payable and accrued liabilities | (1,216) | 569
Inventory | (316) | 198
Net cash provided by operating activities | 8,260 | 1,769
CASH FLOWS FROM INVESTING ACTIVITIES: |  |
Purchase of Property and Equipment | (87) | (226)
Net cash used in investing activities | (87) | (226)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |
Net (repayments) borrowings on line of credit | (2,771) | (1,232)
Principal payments on subordinated notes payable | (650) | 0
Proceeds from unsecured subordinated promissory notes | 1,035 | 0
Payment of commission and placement agent fees and related expenses | (155) | 0
Payments on capital lease obligations | (131) | (72)
Purchase of treasury stock | (222) | 0
Proceeds from the issuance of stock | 39 | 0
Net cash used in financing activities | (2,855) | (1,304)
Net increase in cash and cash equivalents | 5,318 | 239
Cash and cash equivalents at beginning of period | 247 | 8
Cash and cash equivalents at end of period | 5,565 | 247
Supplemental disclosure of cash and non-cash transactions: |  |
Interest paid | 200 | 351
Treasury stock purchased and included in accrued liabilities but not settled | $ 21 | $ 0

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