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SUMMARY OF ACCOUNTING POLICIES (Details - Investment in Joint Ventures) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Accounting Policies [Abstract] |  |  |  |
Beginning balance |  |  | $ 37,973 |
Equity in earnings in these joint ventures | $ 1,955 | $ 2,822 | 6,072 | $ 9,547
Distribution of earnings |  |  | (3,924) | $ (21,783)
Sale of ownership interest |  |  | (134) |
Dissolution of GRSN |  |  | (1,427) |
Nulogix change in control |  |  | (1,795) |
Equity contributions in existing joint ventures |  |  | 103 |
Ending balance | $ 36,868 |  | $ 36,868 |

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