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v3.7.0.1

Subsequent Events (Details) | 1 Months Ended |
--- | --- | ---
Jul. 31, 2017 USD ($) entity | Dec. 31, 2016 USD ($)
Subsequent Event [Line Items] |  |
Related party notes receivable - long term |  | $ 157,000
Nanjing JinMei Gallium Co., Ltd | Subsequent Event [Member] |  |
Subsequent Event [Line Items] |  |
Number of consolidated joint ventures | entity | 1 |
Estimated costs of land use rights | $ 6,000,000 |
Nanjing JinMei Gallium Co., Ltd | Subsequent Event [Member] | Beijing Tongmei Xtal Technology |  |
Subsequent Event [Line Items] |  |
Interest rate (as a percent) | 4.90% |
Related party notes receivable - long term | $ 738,000 |

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- Definition Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due after 1 year (or 1 business cycle). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Related Parties -URI http://asc.fasb.org/extlink&oid=16382449 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(k)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(11)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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