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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Operating activities: |  |
Net loss | $ (3,057,700) | $ (772,584)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities: |  |
Depreciation and amortization | 3,029,801 | 2,209,738
Stock based compensation | 1,279,807 | 1,264,266
Write-off of publisher payable | 315,137 | 0
Provision for doubtful accounts | 60,789 | 5,800
Amortization of financing fees | 25,600 | 25,600
Adjustment of European liabilities related to discontinued operations | 1,109 | (176,988)
Deferred income taxes | (1,406,600) | (61,100)
Change in operating assets and liabilities: |  |
Accounts payable | 437,241 | (622,548)
Prepaid expenses and other assets | 52,687 | 219,656
Accounts receivable and unbilled revenue | (1,216,611) | (583,082)
Accrued expenses and other liabilities | (669,541) | (420,875)
Other | 0 | (34,864)
Net cash (used in) provided by operating activities | (1,148,281) | 1,053,019
Investing activities: |  |
Net cash received from NetSeer asset acquisition | 235,763 | 0
Purchases of equipment and capitalized development costs | (1,558,693) | (1,116,371)
Net cash used in investing activities | (1,322,930) | (1,116,371)
Financing activities: |  |
Net proceeds on revolving line of credit | 4,900,000 | 0
Prepaid financing fees | 25,600 | 25,600
Payoff of NetSeer debt acquired | (2,015,577) | 0
Payments on capital leases | (158,782) | (46,313)
Net taxes paid on RSU grants exercised | (97,376) | (203,836)
Treasury Stock Repurchase | (44,772) | (22,499)
Net cash provided by (used in) financing activities | 2,609,093 | (247,048)
Net change – cash | 137,882 | (310,400)
Cash, beginning of year | 3,946,804 | 4,257,204
Cash, end of year | 4,084,686 | 3,946,804
Supplemental information: |  |
Interest paid | 268,960 | 72,751
Income taxes paid, net of refund | 0 | 26,000
Non-cash investing and financing activities: |  |
NetSeer asset acquisition (See Note 15) | 4,459,244 | 0
Purchase of property and equipment under capital lease | 530,407 |
Write-down of domain names due to settlement of contingent liability | 369,506 | 43,367
Stock issuance for partial settlement of contingent liability | $ 0 | $ 300,001

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