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3. MARKETABLE SECURITIES AND INVESTMENT OTHER SECURITIES (Details 1) - USD ($) | 3 Months Ended
--- | ---
Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017
Investment other securities, beginning | $ 3,217,035 | $ 1,658,112 | $ 859,112
Receipt of equity investment upon completion of contract |  |  | 254,500
Receipt of equity investment upon completion of contract |  |  | 200,000
Receipt of equity investment upon completion of services | 750,000 | 200,000 |
Receipt of equity investment upon completion of services |  | 2,000,000 |
Purchase of preferred shares, convertible into common stock |  |  | 300,000
Exchange of equity via owner merger into public company | (160,000) |  |
Change in value of equity, other comprehensive income | (1,326,727) | (641,077) | 44,500
Investment other securities, ending | 2,480,308 | 3,217,035 | 1,658,112
In Active Markets for Identical Assets and Liabilities (Level 1) |  |  |
Investment other securities, beginning | 1,657,923 | 299,000 | 0
Receipt of equity investment upon completion of contract |  |  | 254,500
Receipt of equity investment upon completion of contract |  |  | 0
Receipt of equity investment upon completion of services | 750,000 | 0 |
Receipt of equity investment upon completion of services |  | 2,000,000 |
Purchase of preferred shares, convertible into common stock |  |  | 0
Exchange of equity via owner merger into public company | 240,000 |  |
Change in value of equity, other comprehensive income | (1,326,727) | (641,077) | 44,500
Investment other securities, ending | 1,321,196 | 1,657,923 | 299,000
Significant Other Observable Inputs (Level 2) |  |  |
Investment other securities, beginning | 0 | 0 | 0
Receipt of equity investment upon completion of contract |  |  | 0
Receipt of equity investment upon completion of contract |  |  | 0
Receipt of equity investment upon completion of services | 0 | 0 |
Receipt of equity investment upon completion of services |  | 0 |
Purchase of preferred shares, convertible into common stock |  |  | 0
Exchange of equity via owner merger into public company | 0 |  |
Change in value of equity, other comprehensive income | 0 | 0 | 0
Investment other securities, ending | 0 | 0 | 0
Significant Unobservable Inputs (Level 3) |  |  |
Investment other securities, beginning | 1,559,112 | 1,359,112 | 859,112
Receipt of equity investment upon completion of contract |  |  | 0
Receipt of equity investment upon completion of contract |  |  | 200,000
Receipt of equity investment upon completion of services | 0 | 200,000 |
Receipt of equity investment upon completion of services |  | 0 |
Purchase of preferred shares, convertible into common stock |  |  | 300,000
Exchange of equity via owner merger into public company | (400,000) |  |
Change in value of equity, other comprehensive income | 0 | 0 | 0
Investment other securities, ending | $ 1,159,112 | $ 1,559,112 | $ 1,359,112

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