v2.4.0.6
Summary of Significant Accounting Policies (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Supplier
Manufacturer
Customer
Contract
Dec. 31, 2011
Supplier
Customer
Contract
Dec. 31, 2010
Customer
Supplier
Summary of Significant Accounting Policies (Textual) [Abstract]      
Antidilutive securities excluded from computation of earnings per share 106,000 106,000 513,000
Summary of Significant Accounting Policies (Additional Textual) [Abstract]      
Maturity of cash equivalents 90 days    
Deposits with certain financial institutions $ 5,500,000 $ 11,400,000  
Accounts receivable, allowance for doubtful accounts 339,000 97,000  
Inventory net of write-downs 171,000 7,000 (12,000)
Prepaid inventory balances included in prepaid assets 1,061,000 2,158,000  
Number of outstanding forward exchange contract 0 1  
Unrealized gain or loss   0  
Impairment of long-lived assets 0 0 0
Advertising expense $ 692,000 $ 534,000 $ 1,156,000
Years under examination, description Company are subject to IRS examination for the 2004 through 2012 tax years    
Year under examination 2004    
Year under examination one 2012    
Percentage of tax benefit likely of being realized upon settlement 50.00%    
Number of largest suppliers 3 3 1
Number of major customers 2 3 3
Company's agreement with Samsung to distribute its products to customers in Argentina Expiry date Mar. 31, 2012    
Number of manufacturers 9    
Percentage of cost of sales represented by manufacturer one 24.00%    
Percentage of cost of sales represented by manufacturer two 24.00%    
Percentage of cost of sales represented by manufacturer three 21.00%    
Major Customer One [Member]
     
Summary of Significant Accounting Policies (Textual) [Abstract]      
Customers accounted for accounts receivable 12.00% 11.00% 48.00%
Customers accounted for total net sales 16.00% 14.00% 31.00%
Major Customer Two [Member]
     
Summary of Significant Accounting Policies (Textual) [Abstract]      
Customers accounted for accounts receivable 19.00% 15.00% 0.00%
Customers accounted for total net sales 11.00% 13.00% 18.00%
Major Customer Three [Member]
     
Summary of Significant Accounting Policies (Textual) [Abstract]      
Customers accounted for accounts receivable   17.00% 10.00%
Customers accounted for total net sales   13.00% 11.00%
Major supplier one [Member]
     
Summary of Significant Accounting Policies (Textual) [Abstract]      
Percentage of total cost of sale by major suppliers 24.00% 42.00% 83.00%
Major supplier two [Member]
     
Summary of Significant Accounting Policies (Textual) [Abstract]      
Percentage of total cost of sale by major suppliers 24.00% 21.00%  
Major supplier three [Member]
     
Summary of Significant Accounting Policies (Textual) [Abstract]      
Percentage of total cost of sale by major suppliers 21.00% 10.00%  
Stock Options [Member]
     
Summary of Significant Accounting Policies (Textual) [Abstract]      
Antidilutive securities excluded from computation of earnings per share 537,000 527,000 277,000
Minimum [Member]
     
Summary of Significant Accounting Policies (Textual) [Abstract]      
Estimated useful lives of property and equipment 18 months    
State income tax 3 years    
Customers accounted for total net sales 10.00% 10.00% 10.00%
Maximum [Member]
     
Summary of Significant Accounting Policies (Textual) [Abstract]      
Estimated useful lives of property and equipment 7 years    
State income tax 4 years