Annual report pursuant to Section 13 and 15(d)

Nature Of Operations And Summary Of Significant Accounting Policies (Details)

v3.3.1.900
Nature Of Operations And Summary Of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
 12 Months Ended 36 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2015
Oct. 07, 2015
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Allowance for doubtful accounts $ 184 $ 461   $ 184  
Goodwill impairment 29,507        
Inventory recall expense     $ 1,541    
Advertising expense 3,220 2,807 2,656    
Cooperative advertising expense 1,037 649 681    
Research and development costs 7,469 7,335 $ 6,491    
Available-for-sale Securities, Gross Unrealized Loss 107 59      
Available-for-sale Securities, Amortized Cost Basis 9,994     $ 9,994  
Available-for-sale Securities, Gross Unrealized Loss, tax $ 63 $ 33      
Maximum [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Sales returns as percentage of net sales       3.00%  
Building Improvements [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Estimated useful Life 20 years        
Machinery and Equipment [Member] | Minimum [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Estimated useful Life 3 years        
Machinery and Equipment [Member] | Maximum [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Estimated useful Life 10 years        
Furniture and Fixtures [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Estimated useful Life 5 years        
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Concentration risk, percentage 17.00% 13.00% 13.00%    
Gregory Mountain Products, Inc. [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Disposal Group, Including Discontinued Operation, Consideration   $ 84,135      
POC [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Disposal Group, Including Discontinued Operation, Consideration $ 63,639     $ 63,639 $ 63,639