| Earnings/ (Loss) per common share |
| | Three Month Period Ended June 30, 2019 | | | Three Month Period Ended June 30, 2018 | | | Six Month Period Ended June 30, 2019 | | | Six Month Period Ended June 30, 2018 | | Numerator: | | | | | | | | | | | | | | | | | Net loss attributable to Navios Holdings common stockholders | | $ | (36,431 | ) | | $ | (25,292 | ) | | $ | (41,735 | ) | | $ | (66,149 | ) | Less: | | | | | | | | | | | | | | | | | Declared and undeclared dividend on preferred stock and on unvested restricted shares | | | (1,957 | ) | | | (2,564 | ) | | | (4,506 | ) | | | (5,113 | ) | Plus: | | | | | | | | | | | | | | | | | Tender Offer – Redemption of preferred stock Series G and Series H including $7,714 and $15,392 of undeclared preferred dividend cancelled for three and six month periods ended June 30, 2019, respectively | | | 20,241 | | | | — | | | | 44,284 | | | | — | | Loss available to Navios Holdings common stockholders, basic and diluted | | $ | (18,147 | ) | | $ | (27,856 | ) | | $ | (1,957 | ) | | $ | (71,262 | ) | Denominator: | | | | | | | | | | | | | | | | | Denominator for basic and diluted loss per share attributable to Navios Holdings common stockholders — weighted average shares | | | 12,219,750 | | | | 11,942,314 | | | | 12,219,817 | | | | 11,942,297 | | Basic and diluted loss per share attributable to Navios Holdings common stockholders | | $ | (1.49 | ) | | $ | (2.33 | ) | | $ | (0.16 | ) | | $ | (5.97 | ) |
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