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Accounts Receivable (Detail Textuals) | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended
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Sep. 30, 2013 Commercial Accounts receivable | Dec. 31, 2012 Commercial Accounts receivable | Sep. 30, 2013 Commercial Sales revenue, goods, net | Sep. 30, 2012 Commercial Sales revenue, goods, net | Sep. 30, 2013 U.S. governmental agency Accounts receivable | Dec. 31, 2012 U.S. governmental agency Accounts receivable | Sep. 30, 2013 U.S. governmental agency Sales revenue, goods, net | Sep. 30, 2012 U.S. governmental agency Sales revenue, goods, net
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |  |  |
Concentration Risk, Percentage | 29.20% | 9.70% | 6.80% | 8.70% | 25.70% | 51.30% | 31.50% | 18.00%

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 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=28364263&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 + Details
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