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Shareholders' Equity Components of share-based compensation expense (Details) - USD ($) | 12 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Oct. 06, 2014 | Oct. 03, 2013 | Oct. 10, 2012 | Oct. 14, 2011 | Jan. 18, 2011 | Jun. 02, 2010 | Oct. 29, 2009 | May 09, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | (388,062) |  |  |  |  |  |  |  |  |
Share-based Compensation Expense | $ 2,604,400 | $ 9,750,100 |  |  |  |  |  |  |  |
Cost of Sales [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Expense | 333,700 | 545,300 |  |  |  |  |  |  |  |
Research and Development Expense [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Expense | 339,100 | 1,811,500 |  |  |  |  |  |  |  |
General and Administrative Expense [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Expense | $ 1,931,600 | $ 7,393,300 |  |  |  |  |  |  |  |
Stock Options [Member] | 2009 Equity Plan [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (shares) |  |  | 899,500 | 599,500 | 45,000 | 237,500 | 177,500 | 137,500 | 97,500 | 38,000
Stock Options [Member] | Non US Equity Plan [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (shares) |  |  |  |  | 57,000 |  |  |  |  |
2015 Equity Plan [Member] | US Equity Plan [Member] | Stock Options [Member] | 2015 Equity Plan [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | 0 |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | (125,715) |  |  |  |  |  |  |  |  |
Shares Expired | 0 |  |  |  |  |  |  |  |  |
Common stock, shares authorized (shares) | 440,000 |  |  |  |  |  |  |  |  |
Common Stock, Capital Shares Reserved for Future Issuance | 226,932 |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number | (484,010) |  |  |  |  |  |  |  |  |
Common Stock, Shares, Outstanding | 57,207 |  |  |  |  |  |  |  |  |
2009 Equity Plan [Member] | US Equity Plan [Member] | Stock Options [Member] | 2009 Equity Plan [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | (8,093) |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | (156,467) |  |  |  |  |  |  |  |  |
Shares Expired | (274,784) |  |  |  |  |  |  |  |  |
Common stock, shares authorized (shares) | 899,500 |  |  |  |  |  |  |  |  |
Common Stock, Capital Shares Reserved for Future Issuance | 0 |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number | (460,156) |  |  |  |  |  |  |  |  |
Common Stock, Shares, Outstanding | 0 |  |  |  |  |  |  |  |  |
2003 Equity Plan [Member] | US Equity Plan [Member] | Stock Options [Member] | 2003 Equity Plan [Member] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number | (925) |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number | (8,922) |  |  |  |  |  |  |  |  |
Shares Expired | (5,629) |  |  |  |  |  |  |  |  |
Common stock, shares authorized (shares) | 25,000 |  |  |  |  |  |  |  |  |
Common Stock, Capital Shares Reserved for Future Issuance | 0 |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number | (9,524) |  |  |  |  |  |  |  |  |
Common Stock, Shares, Outstanding | 0 |  |  |  |  |  |  |  |  |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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