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Income Taxes (Details 1)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Summary of effective income tax rate differed from the statutory U.S. federal income tax rate    
Federal income tax rate 21.00% 21.00%
State income taxes, net of federal benefit 4.90% 4.90%
Permanent differences (3.30%) (1.20%)
Non-controlling interest in consolidated partnerships (46.20%) (11.40%)
True-up of prior year depletion in excess of basis (6.50%) 1.30%
Stock-based compensation deficiency (16.00%) 1.10%
Purchase accounting adjustments (45.00%) (22.90%)
Rate changes of prior year deferred 1.80% (0.50%)
True-up of prior year deferred 3.00%
Decrease in valuation allowance and other 89.30% 4.70%
Total effective income tax rate 0.00% 0.00%