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COMMON STOCK AND NON-CONTROLLING INTEREST - Non-controlling Interest (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Noncontrolling Interest [Line Items]    
Retained Earnings (Accumulated deficit) $ 5,737,199 $ (9,596,785)
NBHC    
Noncontrolling Interest [Line Items]    
Noncontrolling interest in variable interest entity 70,193,000 63,953,000
Nordic Bulk Ventures Holding Company Ltd, Bulk Nordic Five Ltd and Bulk Nordic Six Ltd    
Noncontrolling Interest [Line Items]    
Retained Earnings (Accumulated deficit) $ 1,499,000 $ 1,352,000