v2.4.0.8

Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013 Manufacturer Contract	Dec. 31, 2012 Contract	Dec. 31, 2011
Summary Of Significant Accounting Policies [Line Items]
Maturity of cash equivalents	90 days
Deposits with certain financial institutions	$ 2,000,000	$ 5,500,000
Restricted cash	0	1,003,000
Accounts receivable, allowance for doubtful accounts	373,000	339,000
Inventory net of write-downs	(194,000)	171,000	7,000
Prepaid inventory balances included in prepaid assets	2,968,000	1,061,000
Number of outstanding forward exchange contract	0	0
Impairment of long-lived assets	0	0	0
Advertising expense	523,000	692,000	534,000
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 2013 tax years
Year under examination	2004
Year under examination one	2013
Anti-dilutive securities excluded from computation of earnings per share	756,000	106,000	106,000
Number of manufactures	10
Percentage of cost of sales represented by manufacturer one	38.00%
Percentage of cost of sales represented by manufacturer two	12.00%
Percentage of cost of sales represented by manufacturer three	10.00%
Net Sales [Member]
Summary Of Significant Accounting Policies [Line Items]
Number of customers	3	2	3
Concentration Risk, Percentage	10.00%	10.00%	10.00%
Major Supplier One [Member]
Summary Of Significant Accounting Policies [Line Items]
Percentage of total cost of sale by major suppliers	38.00%	24.00%	42.00%
Major Supplier Two [Member]
Summary Of Significant Accounting Policies [Line Items]
Percentage of total cost of sale by major suppliers	12.00%	24.00%	21.00%
Major Supplier Three [Member]
Summary Of Significant Accounting Policies [Line Items]
Percentage of total cost of sale by major suppliers	10.00%	21.00%	10.00%
Major Customer One [Member] | Net Sales [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	20.00%	16.00%	14.00%
Major Customer One [Member] | Accounts Receivable [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	18.00%	12.00%	11.00%
Major Customer Two [Member] | Net Sales [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	14.00%	11.00%	13.00%
Major Customer Two [Member] | Accounts Receivable [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	15.00%	19.00%	15.00%
Major Customer Three [Member] | Net Sales [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	13.00%		13.00%
Major Customer Three [Member] | Accounts Receivable [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration Risk, Percentage	24.00%		17.00%
Stock Options [Member]
Summary Of Significant Accounting Policies [Line Items]
Anti-dilutive securities excluded from computation of earnings per share	137,000	537,000	527,000
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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