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Results of Operations by Business Segment and Geographic Area (Tables) | 6 Months Ended
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Jun. 30, 2012
Results of Operations by Business Segment and Geographic Area [Abstract] |
Financial information regarding reportable segments | Summarized financial information regarding reportable segments includes (in thousands):
For the Three Months Ended June 30, |  | Chemicals |  |  | Drilling |  |  | Artificial Lift |  |  | Corporate |  |  | Total |
2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net revenue from external customers |  | $ | 45,992 |  |  | $ | 29,801 |  |  | $ | 2,510 |  |  | $ | — |  |  | $ | 78,303 |
Gross margin |  |  | 20,217 |  |  |  | 12,005 |  |  |  | 837 |  |  |  | (34 | ) |  |  | 33,025 |
Income (loss) from operations |  |  | 16,350 |  |  |  | 6,444 |  |  |  | 385 |  |  |  | (7,590 | ) |  |  | 15,589 |
Depreciation and amortization |  |  | 458 |  |  |  | 2,302 |  |  |  | 51 |  |  |  | 42 |  |  |  | 2,853 |
Total assets |  |  | 54,769 |  |  |  | 119,050 |  |  |  | 9,298 |  |  |  | 18,561 |  |  |  | 201,678 |
Capital expenditures |  |  | 913 |  |  |  | 2,946 |  |  |  | 55 |  |  |  | 1,445 |  |  |  | 5,359 |
2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net revenue from external customers |  | $ | 29,142 |  |  | $ | 24,464 |  |  | $ | 2,312 |  |  | $ | — |  |  | $ | 55,918 |
Gross margin |  |  | 11,011 |  |  |  | 10,808 |  |  |  | 425 |  |  |  | — |  |  |  | 22,244 |
Income (loss) from operations |  |  | 8,266 |  |  |  | 5,905 |  |  |  | (32 | ) |  |  | (6,233 | ) |  |  | 7,906 |
Depreciation and amortization |  |  | 390 |  |  |  | 1,981 |  |  |  | 52 |  |  |  | 73 |  |  |  | 2,496 |
Total assets |  |  | 58,261 |  |  |  | 108,468 |  |  |  | 8,889 |  |  |  | 18,065 |  |  |  | 193,683 |
Capital expenditures |  |  | 111 |  |  |  | 2,136 |  |  |  | — |  |  |  | 169 |  |  |  | 2,416 |
For the Six Months Ended June 30, |  | Chemicals |  |  | Drilling |  |  | Artificial Lift |  |  | Corporate |  |  | Total |
2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net revenue from external customers |  | $ | 93,639 |  |  | $ | 58,790 |  |  | $ | 5,069 |  |  | $ | — |  |  | $ | 157,498 |
Gross margin |  |  | 41,132 |  |  |  | 23,515 |  |  |  | 1,884 |  |  |  | (54 | ) |  |  | 66,477 |
Income (loss) from operations |  |  | 33,472 |  |  |  | 11,994 |  |  |  | 901 |  |  |  | (14,030 | ) |  |  | 32,337 |
Depreciation and amortization |  |  | 862 |  |  |  | 4,461 |  |  |  | 95 |  |  |  | 83 |  |  |  | 5,501 |
Total assets |  |  | 54,769 |  |  |  | 119,050 |  |  |  | 9,298 |  |  |  | 18,561 |  |  |  | 201,678 |
Capital expenditures |  |  | 2,163 |  |  |  | 5,340 |  |  |  | 68 |  |  |  | 1,907 |  |  |  | 9,478 |
2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net revenue from external customers |  | $ | 56,068 |  |  | $ | 47,105 |  |  | $ | 5,650 |  |  | $ | — |  |  | $ | 108,823 |
Gross margin |  |  | 22,312 |  |  |  | 19,753 |  |  |  | 1,324 |  |  |  | — |  |  |  | 43,389 |
Income (loss) from operations |  |  | 16,791 |  |  |  | 10,602 |  |  |  | 394 |  |  |  | (10,597 | ) |  |  | 17,190 |
Depreciation and amortization |  |  | 780 |  |  |  | 3,923 |  |  |  | 105 |  |  |  | 156 |  |  |  | 4,964 |
Total assets |  |  | 58,261 |  |  |  | 108,468 |  |  |  | 8,889 |  |  |  | 18,065 |  |  |  | 193,683 |
Capital expenditures |  |  | 161 |  |  |  | 2,955 |  |  |  | 11 |  |  |  | 530 |  |  |  | 3,657 |
Revenue by geographic location | Revenue by geographic location is as follows (in thousands):
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2012 |  |  | 2011 |  |  | 2012 |  |  | 2011 |
U.S. |  | $ | 69,912 |  |  | $ | 50,775 |  |  | $ | 137,883 |  |  | $ | 95,850 |
Other countries |  |  | 8,391 |  |  |  | 5,143 |  |  |  | 19,615 |  |  |  | 12,973 |
Total |  | $ | 78,303 |  |  | $ | 55,918 |  |  | $ | 157,498 |  |  | $ | 108,823 |

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