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Basis of Financial Presentation and Summary of Significant Accounting Policies - Part Three (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Movement in Standard Product Warranty Accrual [Roll Forward]      
Accrued warranty reserve, beginning of period $ 1,528 $ 638 $ 549
Reserve provided 3,974 1,495 578
Payments (2,169) (605) (489)
Accrued warranty reserve, end of period $ 3,333 $ 1,528 $ 638
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares available for grant (in shares) 764,182    
Common Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares available for grant (in shares) 590,483