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Summary of Significant Accounting Policies - Schedule of Warranty Activity (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Movement in Standard Product Warranty Accrual [Roll Forward]    
Balance at the beginning of the year $ 81 $ 75
Accruals for warranties issued 255 49
Settlements made during the year (in cash or in kind) (22) (43)
Accrued warranty expense $ 314 $ 81