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INCOME TAXES. (Details 1) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Effective income tax rate reconciliation |  |  |
Statutory rate | 21.00% | 35.00% | 35.00%
State income taxes, net of federal benefit | 5.40% | 4.00% | 6.40%
Change in valuation allowance | (20.30%) | (34.50%) | (298.80%)
Impact of Federal tax rate change on deferred taxes |  | (28.40%) |
Impact of Federal tax rate change on valuation allowance |  | 29.40% |
Fair value adjustments and warrant inducements |  | 0.40% | 37.20%
Noncontrolling interest | (3.00%) | (3.20%) |
Stock compensation |  | (0.10%) | 58.80%
Non-deductible items | (0.70%) | (0.20%) | 8.90%
Other | (1.60%) | (1.60%) | (27.50%)
Effective rate | 0.80% | 0.80% | (180.00%)

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