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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 these customers for the three and nine months ended September 30, 2014 and 2013 are as follows:
|  | Three Months Ended |  | Three Months Ended |
|  | September 30, 2014 |  | September 30, 2013 |
|  |  |  |  |  | % of Net |  |  |  |  |  | % of Net |
Customer |  | Net Sales |  |  |  | Sales |  | Net Sales |  |  |  | Sales |
Customer A |  | $ | 3,369,000 |  |  |  | 23.1 | % | $ | 3,002,000 |  |  |  | 20.7 | %
Customer B |  | $ | 2,420,000 |  |  |  | 16.6 | % | $ | 1,977,000 |  |  |  | 13.7 | %
Customer C |  |  | N/A |  |  |  | N/A |  | $ | 1,884,000 |  |  |  | 13.0 | %
|  | Nine Months Ended |  | Nine Months Ended |
|  | September 30, 2014 |  | September 30, 2013 |
|  |  |  |  |  | % of Net |  |  |  |  | % of Net |
Customer |  | Net Sales |  |  |  | Sales |  | Net Sales |  |  | Sales |
Customer A |  | $ | 11,299,000 |  |  |  | 26.5 | % | $ | 11,412,000 |  |  |  | 27.9 | %
Customer B |  | $ | 5,583,000 |  |  |  | 13.1 | % | $ | 4,658,000 |  |  |  | 11.4 | %

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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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