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Revenue from Contracts with Customers (Tables) | 12 Months Ended
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Dec. 31, 2020
Summary of Disaggregation of Our Revenues by Contract Type and Operating Segment | The following table depicts the disaggregation of our revenues by contract type and operating segment:
|  | Years Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
|  | (Amounts in thousands) |
Data and Analytics Services Segment |  |  |  |  |  |  |  |  |  |  |  |
Time-and-material Contracts |  | $ | 18,541 |  |  | $ | 18,732 |  |  | $ | 18,919 |
Fixed-price Contracts |  |  | 11,685 |  |  |  | 7,931 |  |  |  | 4,884 |
Subtotal Data and Analytics Services |  | $ | 30,226 |  |  | $ | 26,663 |  |  | $ | 23,803 |
IT Staffing Services Segment |  |  |  |  |  |  |  |  |  |  |  |
Time-and-material Contracts |  | $ | 163,875 |  |  | $ | 166,911 |  |  | $ | 153,361 |
Fixed-price Contracts |  |  | — |  |  |  | — |  |  |  | — |
Subtotal IT Staffing Services |  | $ | 163,875 |  |  | $ | 166,911 |  |  | $ | 153,361 |
Total Revenues |  | $ | 194,101 |  |  | $ | 193,574 |  |  | $ | 177,164 |
Summary of Revenue from External Customers | The following table presents our revenue from external customers disaggregated by geography, based on the work location of our customers:
|  | Years Ended December 31, |
|  | 2020 |  |  | 2019 |  |  | 2018 |
|  | (Amounts in thousands) |
United States |  | $ | 189,890 |  |  | $ | 188,710 |  |  | $ | 172,610 |
Canada |  |  | 3,603 |  |  |  | 2,918 |  |  |  | 3,125 |
India and Other |  |  | 608 |  |  |  | 1,946 |  |  |  | 1,429 |
Total |  | $ | 194,101 |  |  | $ | 193,574 |  |  | $ | 177,164 |

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- Definition Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph a -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 + Details
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