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Significant Customers and Concentration of Credit Risk Significant Customers and Concentration of Credit Risk (Tables) | 9 Months Ended
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Sep. 30, 2014
Risks and Uncertainties [Abstract] |
Schedules of Concentration of Risk, by Risk Factor [Table Text Block] | Sales to the following customers represented 10% or more of net revenue during at least one of the periods are presented as follows:
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
Customer |  | 2014 |  | 2013 |  | 2014 |  | 2013
Customer A |  | 40 | % |  | 8 | % |  | 44 | % |  | 8 | %
Customer B |  | — | % |  | 64 | % |  | 16 | % |  | 64 | %
Customer C |  | 27 | % |  | 17 | % |  | 14 | % |  | 17 | %
Customer D |  | 11 | % |  | — | % |  | 5 | % |  | — | %
Customer E |  | 14 | % |  | 6 | % |  | 10 | % |  | 6 | %
The following customers represented 10% or more of total accounts receivable as of at least one of the balance sheet dates presented:
|  | September 30, 2014 |  | December 31, 2013
Customer |  | (Unaudited) |
Customer A |  | 39 | % |  | 25 | %
Customer B |  | 8 | % |  | 11 | %
Customer C |  | 25 | % |  | 1 | %
Customer D |  | 10 | % |  | — | %
Customer E |  | 12 | % |  | 54 | %
Our gross revenue is affected by the timing of customer orders, which timing sometimes results in quarter-to-quarter fluctuations in gross revenue. From time to time we have offered favorable pricing and extended payment terms to new wholesale distributor customers as an incentive to place initial Abstral orders. In the second quarter of 2014, we afforded such incentives to one of our principal customers with respect to an order from which we recognized approximately $1.5 million of gross revenue (ex-manufacturer), or approximately $0.9 million of net revenue.

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- Definition Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6327-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6442-108592 + Details
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