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CONSOLIDATED AND CONDENSED STATEMENTS OF OPERATIONS (Unaudited) - Related Party Transactions (Parentheticals) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Revenues: |  |  |  |  |
Revenues |  | $ 266,996 | $ 184,293 | $ 546,197 | $ 385,267
Cost of products sold: (excluding depreciation and amortization) |  |  |  |  |
Cost of products sold |  | 156,926 | 105,993 | 328,508 | 220,844
Expenses: |  |  |  |  |
Operating expenses |  | 23,446 | 19,590 | 44,826 | 37,958
Selling, general and administrative |  | 7,498 | 7,285 | 16,306 | 15,965
Terminalling and storage |  |  |  |  |
Revenues: |  |  |  |  |
Revenues | [1] | 20,439 | 18,702 | 39,852 | 37,080
Transportation |  |  |  |  |
Revenues: |  |  |  |  |
Revenues | [1] | 55,832 | 34,926 | 102,542 | 64,741
Product Sales |  |  |  |  |
Revenues: |  |  |  |  |
Revenues | [1] | 187,641 | 127,716 | 397,635 | 277,547
Sulfur services |  |  |  |  |
Revenues: |  |  |  |  |
Revenues | [1] | 53,869 | 35,337 | 109,908 | 67,222
Cost of products sold: (excluding depreciation and amortization) |  |  |  |  |
Cost of products sold | [1] | 37,063 | 24,177 | 74,848 | 45,391
Terminalling and storage |  |  |  |  |
Revenues: |  |  |  |  |
Revenues | [1] | 36,192 | 25,147 | 69,584 | 45,008
Cost of products sold: (excluding depreciation and amortization) |  |  |  |  |
Cost of products sold | [1] | 28,279 | 20,226 | 54,978 | 34,728
Related Party |  |  |  |  |
Expenses: |  |  |  |  |
Operating expenses |  | 23,446 | 19,590 | 44,826 | 37,958
Related Party | Terminalling and storage |  |  |  |  |
Revenues: |  |  |  |  |
Revenues |  | 17,416 | 15,569 | 33,620 | 30,875
Expenses: |  |  |  |  |
Operating expenses |  | 4,668 | 4,127 | 9,030 | 8,229
Related Party | Transportation |  |  |  |  |
Revenues: |  |  |  |  |
Revenues |  | 7,463 | 4,889 | 13,751 | 8,899
Expenses: |  |  |  |  |
Operating expenses |  | 16,471 | 13,644 | 31,734 | 26,703
Related Party | Product Sales |  |  |  |  |
Revenues: |  |  |  |  |
Revenues |  | 95 | 71 | 416 | 185
Related Party | Sulfur services |  |  |  |  |
Cost of products sold: (excluding depreciation and amortization) |  |  |  |  |
Cost of products sold |  | 2,592 | 2,403 | 5,268 | 4,938
Expenses: |  |  |  |  |
Operating expenses |  | 1,789 | 1,306 | 3,034 | 2,049
Related Party | Terminalling and storage |  |  |  |  |
Cost of products sold: (excluding depreciation and amortization) |  |  |  |  |
Cost of products sold |  | $ 10,209 | $ 7,036 | $ 19,860 | $ 11,604
[1] | Related Party Transactions Included Above
| Three Months Ended |  | Six Months Ended
| June 30, |  | June 30,
| 2022 |  | 2021 |  | 2022 |  | 2021
Revenues:* |  |  |  |  |  |  |
Terminalling and storage | $ | 17,416 |  |  | $ | 15,569 |  |  | $ | 33,620 |  |  | $ | 30,875 |
Transportation | 7,463 |  |  | 4,889 |  |  | 13,751 |  |  | 8,899 |
Product Sales | 95 |  |  | 71 |  |  | 416 |  |  | 185 |
Costs and expenses:* |  |  |  |  |  |  |
Cost of products sold: (excluding depreciation and amortization) |  |  |  |  |  |  |
Sulfur services | 2,592 |  |  | 2,403 |  |  | 5,268 |  |  | 4,938 |
Terminalling and storage | 10,209 |  |  | 7,036 |  |  | 19,860 |  |  | 11,604 |
Expenses: |  |  |  |  |  |  |
Operating expenses | 23,446 |  |  | 19,590 |  |  | 44,826 |  |  | 37,958 |
Selling, general and administrative | 7,498 |  |  | 7,285 |  |  | 16,306 |  |  | 15,965 |

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