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AUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Cash flow from operating activities |  |
Comprehensive (loss) | $ (11,163,964) | $ (2,780,686)
Adjustment to reconcile comprehensive (loss) to net cash used in operating activities |  |
Depreciation and amortization | 3,217,191 | 1,361,169
Preferred dividend | 2,089,151 | 0
Changes in estimate of contingent consideration | (1,074,158) | 410,817
Equity compensation expense | 7,078,230 | 1,457,647
Foreign exchange translation adjustment | 44,301 | (7,426)
Deferred income tax | (2,391,762) | (3,488,960)
Increase (decrease) in: |  |
Accounts receivable | (778,543) | (3,187,828)
Other current assets | (382,029) | (198,428)
Increase (decrease) in: |  |
Accounts payable and accrued expenses | 620,789 | 3,729,706
Net cash used in operating activities | (2,740,794) | (2,703,989)
Cash flow from investing activities |  |
Purchase of fixed assets | (4,840) | (29,062)
Acquisition consideration | (804,044) | (6,563,000)
Net cash used in investing activities | (808,884) | (6,592,062)
Cash flow from financing activities |  |
Proceeds from bank loan and convertible notes, net | 2,152,975 | 3,794,522
Non-controlling interest | 0 | 3,382
Proceeds from additional stock issued, net | 4,898,900 | 5,000,000
Net cash provided by financing activities | 7,051,875 | 8,797,904
Net increase (decrease) in cash and cash equivalents | 3,502,197 | (498,147)
Cash and cash equivalents as at beginning of the period | 1,379,887 | 1,878,034
Cash at the end of the period | 4,882,084 | 1,379,887
Cash paid during the period for: |  |
Interest | 450,920 | 362,792
Taxes | $ 0 | $ 0

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