| Schedule of Segment Reporting Information |
The following table presents information by reportable segment for the three months ended March 31, 2021 and 2020:
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Products and Services |
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Energy Production |
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Corporate, other and elimination (1) |
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Total |
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| Three months ended March 31, 2021 |
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| Revenue - external customers |
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$ |
5,403,866 |
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$ |
653,295 |
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$ |
— |
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$ |
6,057,161 |
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| Intersegment revenue |
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131,516 |
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— |
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(131,516) |
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— |
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| Total revenue |
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$ |
5,535,382 |
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$ |
653,295 |
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$ |
(131,516) |
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$ |
6,057,161 |
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| Gross profit |
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$ |
2,691,976 |
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$ |
259,232 |
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$ |
— |
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$ |
2,951,208 |
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| Identifiable assets |
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$ |
26,997,887 |
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$ |
4,602,323 |
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$ |
— |
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$ |
31,600,210 |
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| Three months ended March 31, 2020 |
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| Revenue - external customers |
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$ |
7,211,850 |
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$ |
750,850 |
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$ |
— |
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$ |
7,962,700 |
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| Intersegment revenue |
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148,660 |
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— |
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(148,660) |
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— |
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| Total revenue |
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$ |
7,360,510 |
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$ |
750,850 |
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$ |
(148,660) |
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$ |
7,962,700 |
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| Gross profit |
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$ |
2,525,721 |
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$ |
266,446 |
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$ |
— |
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$ |
2,792,167 |
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| Identifiable assets |
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$ |
19,018,898 |
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$ |
3,244,076 |
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$ |
16,192,488 |
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$ |
38,455,462 |
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| (1) Corporate, intersegment revenue, other and elimination includes various corporate assets. |
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