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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) | 3 Months Ended
--- | ---
Sep. 30, 2018 | Sep. 30, 2017
Cash flows from operating activities: |  |
Net income (loss) | $ 1,281,135 | $ (181,265)
Adjustments to reconcile net income (loss) to net cash used in operating activities: |  |
Depreciation and amortization | 1,149,836 | 1,418,986
Share of net loss from investment under equity method | 299,691 | 67,562
(Gain) loss on sale of assets | (52,294) | 7,130
Stock based compensation | 432,048 | 439,308
Changes in operating assets and liabilities: |  |
Accounts receivable | 5,136,381 | (903,730)
Accounts receivable - related party | 284,869 | (1,251,994)
Revenues in excess of billing | (6,347,196) | (3,230,619)
Revenues in excess of billing - related party | (70,102) | (130)
Other current assets | (571,246) | (478,390)
Accounts payable and accrued expenses | (680,147) | 231,645
Unearned revenue | (1,202,420) | (270,743)
Net cash used in operating activities | (339,445) | (4,152,240)
Cash flows from investing activities: |  |
Purchases of property and equipment | (563,413) | (328,163)
Sales of property and equipment | 184,032 | 116,023
Convertible note receivable - related party | (758,000) | (500,000)
Net cash used in investing activities | (1,137,381) | (712,140)
Cash flows from financing activities: |  |
Proceeds from the exercise of stock options and warrants |  | 162,385
Proceeds from exercise of subsidiary options | 2,650 |
Purchase of treasury stock |  | (500,663)
Proceeds from bank loans | 119,895 |
Payments on capital lease obligations and loans - net | (179,237) | (148,707)
Net cash used in financing activities | (56,692) | (486,985)
Effect of exchange rate changes | (119,591) | (266,774)
Net decrease in cash and cash equivalents | (1,653,109) | (5,618,139)
Cash and cash equivalents at beginning of the period | 22,088,853 | 14,172,954
Cash and cash equivalents at end of period | 20,435,744 | 8,554,815
SUPPLEMENTAL DISCLOSURES: |  |
Interest | 120,010 | 97,547
Taxes | 213,605 | 20,961
NON-CASH INVESTING AND FINANCING ACTIVITIES: |  |
Provided services for investment in WRLD3D |  | 268,300
Assets acquired under capital lease | $ 144,801 | $ 41,695

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