Summary of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
Dec. 31, 2015 USD ($) Customer Manufacturer shares	Dec. 31, 2014 USD ($) Customer shares	Dec. 31, 2013 USD ($) Customer shares
Summary Of Significant Accounting Policies [Line Items]
Maturity of cash equivalents	90 days
Deposits with certain financial institutions	$ 2,200,000	$ 1,000,000
Accounts receivable, allowance for doubtful accounts	95,000	95,000
Inventory net of write-downs	276,000	339,000
Prepaid inventory balances included in prepaid assets	1,232,000	2,055,000
Impairment of long-lived assets	0	0	$ 0
Advertising expense	$ 992,000	$ 745,000	$ 523,000
Percentage of tax benefit likely to being realized upon settlement	50.00%
Uncertain tax positions	$ 0
Years under examination, description	Company are subject to IRS examination for the 2004 through 2015 tax years
Year under examination	2004
Year under examination one	2015
Anti-dilutive securities excluded from computation of earnings per share \| shares	20,000	0	756,000
Number of manufactures \| Manufacturer	21
In The Money Option [Member]
Summary Of Significant Accounting Policies [Line Items]
Anti-dilutive securities excluded from computation of earnings per share \| shares	1,237,000		137,000
Supplier Concentration Risk [Member] \| Cost of Goods, Product Line [Member] \| Major Supplier One [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	16.00%
Supplier Concentration Risk [Member] \| Cost of Goods, Product Line [Member] \| Major Supplier Two [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	15.00%
Supplier Concentration Risk [Member] \| Cost of Goods, Product Line [Member] \| Major Supplier Three [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	12.00%
Supplier Concentration Risk [Member] \| Cost of Goods, Total [Member] \| Major Supplier One [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	16.00%	38.00%	38.00%
Supplier Concentration Risk [Member] \| Cost of Goods, Total [Member] \| Major Supplier Two [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	15.00%	14.00%	12.00%
Supplier Concentration Risk [Member] \| Cost of Goods, Total [Member] \| Major Supplier Three [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	12.00%	12.00%	10.00%
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	10.00%	10.00%	10.00%
Number of customers \| Customer	3	3	3
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member] \| Major Customer One [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	18.00%	25.00%	20.00%
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member] \| Major Customer Two [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	15.00%	13.00%	14.00%
Customer Concentration Risk [Member] \| Sales Revenue, Net [Member] \| Major Customer Three [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	10.00%	11.00%	13.00%
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Major Customer One [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	35.00%	25.00%	18.00%
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Major Customer Two [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	16.00%	19.00%	15.00%
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Major Customer Three [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	16.00%	14.00%	24.00%
Minimum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of property and equipment	18 months
State income tax	3 years
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of property and equipment	7 years
State income tax	4 years

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Number Of Customer

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Open tax year under examination.

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Percentage of tax benefit likely of being realized upon settlement.

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Prepaid inventory.

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Summary Of Significant Accounting Policies [Line Items]

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The amount of cash as of the balance sheet date that is not insured by the Federal Deposit Insurance Corporation.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

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Amount of valuation reserve for inventory.

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The current portion of the amount recognized for uncertain tax positions as of the balance sheet date.

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Tax year that remains open to examination under enacted tax laws, in CCYY format.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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