| Schedule of Segment Reporting Information, by Segment |
Information for each segment is provided in the tables that follow (in thousands). | | | | | | | | | | | | | | | | | | Three Months Ended March 31, 2017 | | Potash | | Trio® | | Corporate | | Consolidated | Sales | | $ | 27,220 |
| | $ | 21,112 |
| | $ | — |
| | $ | 48,332 |
| Less: Freight costs | | 2,959 |
| | 5,762 |
| | — |
| | 8,721 |
| Warehousing and handling costs | | 1,512 |
| | 1,258 |
| | — |
| | 2,770 |
| Cost of goods sold | | 20,421 |
| | 15,452 |
| | — |
| | 35,873 |
| Lower-of-cost-or-market inventory
adjustments | | — |
| | 3,824 |
| | — |
| | 3,824 |
| Gross Margin (Deficit) | | $ | 2,328 |
| | $ | (5,184 | ) | | $ | — |
| | $ | (2,856 | ) | Depreciation, depletion and amortization incurred1 | | $ | 7,563 |
| | $ | 1,699 |
| | $ | 61 |
| | $ | 9,323 |
| | | | | | | | | | Three Months Ended March 31, 2016 | | Potash | | Trio® | | Corporate | | Consolidated | Sales | | $ | 53,695 |
| | $ | 19,582 |
| | $ | — |
| | $ | 73,277 |
| Less: Freight costs | | 6,551 |
| | 3,781 |
| | — |
| | 10,332 |
| Warehousing and handling costs | | 2,154 |
| | 510 |
| | — |
| | 2,664 |
| Cost of goods sold | | 47,288 |
| | 12,489 |
| | — |
| | 59,777 |
| Lower-of-cost-or-market inventory
adjustments | | 9,007 |
| | — |
| | — |
| | 9,007 |
| Costs associated with abnormal
production | | 650 |
| | — |
| | — |
| | 650 |
| Gross (Deficit) Margin | | $ | (11,955 | ) | | $ | 2,802 |
| | $ | — |
| | $ | (9,153 | ) | Depreciation, depletion and amortization incurred1 | | $ | 12,233 |
| | $ | 1,675 |
| | $ | 460 |
| | $ | 14,368 |
| | | | | | | | | |
1 Depreciation, depletion and amortization incurred for potash and Trio® excludes depreciation, depletion and amortization amounts absorbed in or (relieved from) inventory. |