Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Business Combinations (Details Textual)

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Business Combinations (Details Textual) (USD $)
1 Months Ended 12 Months Ended 3 Months Ended
May 31, 2012
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2012
Objet Ltd [Member]
Dec. 31, 2011
Objet Ltd [Member]
Jun. 30, 2011
Solidscape, Inc [Member]
Dec. 31, 2012
Solidscape, Inc [Member]
May 03, 2011
Solidscape, Inc [Member]
Total purchase price   $ 1,341,000,000     $ 1,340,897,000     $ 39,099,000 $ 39,100,000
Stockholders' Equity, Reverse Stock Split   a one-for-8.691 reverse stock split ratio and accompanying reduction in Objet's authorized share capital from NIS 5,000,000 to NIS 600,000 and a corresponding reduction in the nominal value per share from NIS 0.0833 to NIS 0.01, each of which became effective at the effective time of the merger.     1 for 8.691        
Percentage of Combined Ordinary Shares in Business Combinations   55.00%     45.00%        
Stock-based Compensation 4,500,000 8,874,000 1,587,000 1,242,000          
Business Acquisition Purchase Price Assumed Resulted In Recognition Of Backlog         6,300,000        
Adjust expenses related to business combination (deal fees, inventory step-up, backlog, deferred revenues, stock based compensation accelerations   $ 7,600,000     $ 28,850,000 $ (50,644,000) $ 615,000