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Segment, Product and Geographic Information | 12 Months Ended
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Dec. 31, 2016
Segment Reporting [Abstract] |
Segment Reporting Disclosure [Text Block] |
| Note 24. | Segment, Product and Geographic Information
|  | Year Ended December 31, 2014 |
|  |  |  | Non-driver |  | Consolidated |
|  | Driver IC |  | products |  | Total |
|  | (in thousands) |
Segment revenues |  | $ | 672,068 |  |  | 168,474 |  |  | 840,542 |
Segment operating income (loss) |  | $ | 92,290 |  |  | (19,565) |  |  | 72,725 |
Non operating income, net |  |  |  |  |  |  |  |  | 12,769 |
Consolidated earnings before income taxes |  |  |  |  |  |  |  | $ | 85,494 |
Significant noncash items: |  |  |  |  |  |  |  |  |  |
Share Based Compensation |  | $ | 1,341 |  |  | 588 |  |  | 1,929 |
Depreciation and amortization |  | $ | 3,449 |  |  | 11,143 |  |  | 14,592 |
|  | Year Ended December 31, 2015 |
|  |  |  | Non-driver |  | Consolidated |
|  | Driver IC |  | products |  | Total |
|  | (in thousands) |
Segment revenues |  | $ | 560,399 |  |  | 131,390 |  |  | 691,789 |
Segment operating income (loss) |  | $ | 59,506 |  |  | (28,834) |  |  | 30,672 |
Non operating income, net |  |  |  |  |  |  |  |  | 2,195 |
Consolidated earnings before income taxes |  |  |  |  |  |  |  | $ | 32,867 |
Significant noncash items: |  |  |  |  |  |  |  |  |  |
Share Based Compensation |  | $ | 1,206 |  |  | 612 |  |  | 1,818 |
Depreciation and amortization |  | $ | 3,591 |  |  | 10,573 |  |  | 14,164 |
|  | Year Ended December 31, 2016 |
|  |  |  | Non-driver |  | Consolidated |
|  | Driver IC |  | products |  | Total |
|  | (in thousands) |
Segment revenues |  | $ | 641,865 |  |  | 161,052 |  |  | 802,917 |
Segment operating income (loss) |  | $ | 92,010 |  |  | (32,775) |  |  | 59,235 |
Non operating income, net |  |  |  |  |  |  |  |  | 183 |
Consolidated earnings before income taxes |  |  |  |  |  |  |  | $ | 59,418 |
Significant noncash items: |  |  |  |  |  |  |  |  |  |
Share Based Compensation |  | $ | 542 |  |  | 644 |  |  | 1,186 |
Depreciation and amortization |  | $ | 3,685 |  |  | 10,071 |  |  | 13,756 |
Revenues from the Company’s major product lines are summarized as follow:
|  | Year Ended December 31, |
|  | 2014 |  | 2015 |  | 2016 |
|  | (in thousands) |
Display drivers for large-size applications |  | $ | 226,087 |  |  | 224,423 |  |  | 272,906 |
Display drivers for mobile handsets applications |  |  | 238,467 |  |  | 170,705 |  |  | 191,845 |
Display drivers for consumer electronics applications |  |  | 207,514 |  |  | 165,271 |  |  | 177,114 |
Others |  |  | 168,474 |  |  | 131,390 |  |  | 161,052 |
|  | $ | 840,542 |  |  | 691,789 |  |  | 802,917 |
The following tables summarize information pertaining to the Company’s revenues from customers in different geographic region (based on customer’s headquarter location):
|  | Year Ended December 31, |
|  | 2014 |  | 2015 |  | 2016 |
|  | (in thousands) |
Taiwan |  | $ | 310,191 |  |  | 254,763 |  |  | 199,985 |
China |  |  | 436,462 |  |  | 372,538 |  |  | 507,470 |
Other Asia Pacific (Korea and Japan) |  |  | 88,047 |  |  | 53,053 |  |  | 54,159 |
Europe and America |  |  | 5,842 |  |  | 11,435 |  |  | 41,303 |
|  | $ | 840,542 |  |  | 691,789 |  |  | 802,917 |
The carrying values of the Company’s tangible long-lived assets are located in the following countries:
|  | December 31, |
|  | 2015 |  | 2016 |
|  | (in thousands) |
Taiwan |  | $ | 53,413 |  |  | 47,144 |
China |  |  | 914 |  |  | 767 |
U.S. |  |  | 63 |  |  | 61 |
Japan |  |  | 32 |  |  | 21 |
Korea |  |  | 39 |  |  | 179 |
|  | $ | 54,461 |  |  | 48,172 |
Revenues from significant customers, those representing 10% or more of total revenue for the respective periods, are summarized as follows:
|  | Year Ended December 31, |
|  | 2014 |  | 2015 |  | 2016 |
|  | (in thousands) |
Driver IC segment: |  |  |  |  |  |  |  |  |  |
Customer A and its affiliates |  | $ | 133,649 |  |  | 116,456 |  |  | 152,142 |
Customer B and its affiliates |  |  | 145,015 |  |  | 126,953 |  |  | 113,300 |
|  | $ | 278,664 |  |  | 243,409 |  |  | 265,442 |
Non-driver products segment: |  |  |  |  |  |  |  |  |  |
Customer A and its affiliates |  | $ | 18,456 |  |  | 22,345 |  |  | 27,873 |
Customer B and its affiliates |  |  | 19,537 |  |  | 19,256 |  |  | 8,672 |
|  | $ | 37,993 |  |  | 41,601 |  |  | 36,545 |
Accounts receivable from significant customers, those representing 10% or more of total accounts receivable for the respective periods, is summarized as follows:
|  | December 31, |
|  | 2015 |  | 2016 |
|  | (in thousands) |
Customer A and its affiliates |  | $ | 40,488 |  |  | 55,681 |
Customer B and its affiliates |  |  | 39,311 |  |  | 36,849 |
|  | $ | 79,799 |  |  | 92,530 |
As of December 31, 2015 and 2016, allowance for sales returns and discounts for those accounts receivable was $348 thousand and $745 thousand, respectively.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8981-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8971-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8595-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8380-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8984-108599 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9031-108599 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9054-108599 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8538-108599 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8864-108599 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8924-108599 Reference 14: 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 + Details
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