Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 24, 2018	Mar. 25, 2017
Gross Sales by Channel:
Sales Revenue, Goods, Gross	$ 35,601	$ 35,118
Less: Gross-to-Net Sales Adjustments
Returns	926	803
Warranties	307	259
Customer Allowances	2,219	2,190
Total Gross-to-Net Sales Adjustments	3,452	3,252
Total Net Sales	32,149	31,866
Mass Merchants [Member]
Gross Sales by Channel:
Sales Revenue, Goods, Gross	13,112	12,689
Specialty Dealers [Member]
Gross Sales by Channel:
Sales Revenue, Goods, Gross	12,935	13,224
E-commerce [Member]
Gross Sales by Channel:
Sales Revenue, Goods, Gross	7,573	7,445
International [Member]
Gross Sales by Channel:
Sales Revenue, Goods, Gross	1,903	916
Other [Member]
Gross Sales by Channel:
Sales Revenue, Goods, Gross	$ 78	$ 844

The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph ((c)(3,4))
-URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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The aggregate selling price reductions recognized during an accounting period including, but not limited to, the sale of defective or nonconforming goods, a strategy to increase sales (generally over the short-term), move slow-moving items, develop distribution channels, or reward valuable customers. Allowances are a deduction from gross revenue in arriving at net revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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Total deduction from sales during the period arising from goods returned by customers (other than under warranty provisions) and price reductions (allowance, price protection agreements) given by the entity. Returns and allowances are a deduction from gross revenue in arriving at net revenue.

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The aggregate refunds recognized during an accounting period due to goods returned by customers (other than under warranty provisions). Returns are a deduction from gross revenue in arriving at net revenue.

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Aggregate revenue during the period from sale of goods in the normal course of business, before deducting returns, allowances and discounts.

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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

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