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Segment Information (Tables) | 12 Months Ended
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Dec. 31, 2017
Segment Reporting [Abstract] |
Significant Segment Financial Data | The following table provides significant segment financial data as of and for the years ended December 31 (in thousands):
|  | BBU |  |  | VI Chip |  |  | Picor |  |  | Corporate |  |  | Eliminations |  |  | Total |
|  |  |  |  |  |  |  |  |  |  |  |  |  | (1) |  |  |  |
2017: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net revenues |  | $ | 151,789 |  |  | $ | 61,330 |  |  | $ | 26,297 |  |  | $ | — |  |  | $ | (11,586 | ) |  | $ | 227,830 |
Income (loss) from operations |  |  | 5,615 |  |  |  | (11,495 | ) |  |  | 5,400 |  |  |  | (880 | ) |  |  | — |  |  |  | (1,360 | )
Total assets |  |  | 232,255 |  |  |  | 34,809 |  |  |  | 13,509 |  |  |  | 59,550 |  |  |  | (174,399 | ) |  |  | 165,724 |
Depreciation and amortization |  |  | 3,907 |  |  |  | 2,782 |  |  |  | 747 |  |  |  | 1,457 |  |  |  | — |  |  |  | 8,893 |
2016: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net revenues |  | $ | 151,428 |  |  | $ | 39,947 |  |  | $ | 16,684 |  |  | $ | — |  |  | $ | (7,779 | ) |  | $ | 200,280 |
Income (loss) from operations |  |  | 11,750 |  |  |  | (16,494 | ) |  |  | (637 | ) |  |  | (933 | ) |  |  | — |  |  |  | (6,314 | )
Total assets |  |  | 196,987 |  |  |  | 21,389 |  |  |  | 8,583 |  |  |  | 73,253 |  |  |  | (146,145 | ) |  |  | 154,067 |
Depreciation and amortization |  |  | 4,258 |  |  |  | 2,235 |  |  |  | 545 |  |  |  | 1,400 |  |  |  | — |  |  |  | 8,438 |
2015: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net revenues |  | $ | 173,064 |  |  | $ | 36,688 |  |  | $ | 17,304 |  |  | $ | — |  |  | $ | (6,862 | ) |  | $ | 220,194 |
Income (loss) from operations |  |  | 21,743 |  |  |  | (21,040 | ) |  |  | (290 | ) |  |  | (680 | ) |  |  | — |  |  |  | (267 | )
Total assets |  |  | 170,939 |  |  |  | 15,577 |  |  |  | 5,369 |  |  |  | 81,824 |  |  |  | (116,164 | ) |  |  | 157,545 |
Depreciation and amortization |  |  | 4,538 |  |  |  | 2,740 |  |  |  | 442 |  |  |  | 1,422 |  |  |  | — |  |  |  | 9,142 |
(1) | The elimination for net revenues is principally related to inter-segment revenues of Picor to BBU and VI Chip and for inter-segment revenues of VI Chip to BBU. The elimination for total assets is principally related to inter-segment accounts receivable due to BBU for the funding of VI Chip and Picor operations.
Schedule of Net Revenues from Unaffiliated Customers by Country Based on the Location of the Customer | Net revenues from unaffiliated customers by country, based on the location of the customer, for the years ended December 31 were as follows (in thousands):
|  | 2017 |  |  | 2016 |  |  | 2015 |
United States |  | $ | 83,871 |  |  | $ | 80,603 |  |  | $ | 88,136 |
Europe |  |  | 24,078 |  |  |  | 22,495 |  |  |  | 29,686 |
Asia Pacific |  |  | 114,365 |  |  |  | 91,848 |  |  |  | 94,845 |
All other |  |  | 5,516 |  |  |  | 5,334 |  |  |  | 7,527 |
|  | $227,830 |  |  | $200,280 |  |  | $220,194 |

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599 + Details
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