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Business Description, Basis of Presentation and Significant Accounting Policies - Schedule of Deferred Revenue and Associated Cost of Goods Sold and Gross Profit (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Deferred revenue $ 3,882 $ 4,549
Deferred cost of goods sold 1,530 1,628
Deferred gross profit $ 2,352 $ 2,921