Annual report pursuant to section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

v2.4.0.8
Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
 1 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2013
Segment
Vendor
Dec. 31, 2012
Vendor
Dec. 31, 2011
Customer
Vendor
Mar. 31, 2013
Dec. 31, 2010
Dec. 31, 2013
Revenue
Dec. 31, 2012
Revenue
Dec. 31, 2011
Revenue
Dec. 31, 2013
Level 1
Dec. 31, 2012
Level 1
Dec. 31, 2013
Minimum
Dec. 31, 2013
Maximum
Jan. 31, 2014
Subsidiary Two
Subsequent Event
Dec. 31, 2013
Subsidiary Two
Subsequent Event
Dec. 31, 2013
Aston Capital Limited Liability Company
Subsequent Event
Dec. 31, 2013
Supplier One
Dec. 31, 2012
Supplier One
Dec. 31, 2011
Supplier One
Dec. 31, 2013
Supplier Two
Dec. 31, 2012
Supplier Two
Dec. 31, 2012
Supplier Three
Dec. 31, 2012
Supplier Four
Dec. 31, 2013
Issuance of Equity
Summary Of Significant Accounting Policies [Line Items]                                                
Number of reportable segments   2                                            
Cash and cash equivalents $ 1,757,000 $ 1,757,000 $ 4,434,000 $ 3,015,000   $ 5,309,000                                    
Cash flow from operations   (8,146,000) (5,130,000) (3,369,000)                                        
Cash paid for acquisition related costs   3,500,000                                            
Cash proceeds from issuance of convertible preferred stock                                               10,000,000
Cash proceeds from issuance of common stock   5,069,000                                            
Cash borrowed under a receivable financing facility   860,000                                            
Working capital excluding cash and cash equivalent (3,100,000) (3,100,000) (6,200,000)                                          
Accounts receivable financing arrangements, maximum available amount for borrowing                           500,000 500,000                  
Amount borrowed from related party                               3,500,000                
Revenues realized   26,060,000 4,481,000 8,988,000                                        
Accrued liability for inventory returns         789,000                                      
Unamortized licensing fees Period                       3 years 10 years                      
Revenue from sales taxes   547,000                                            
Product warranty                       1 year 7 years                      
Cash equivalents at fair value                   107,000 3,693,000                          
Maturity of temporary cash investments 3 months                                              
Advertisement Expenses   339,000 171,000 205,000                                        
Provision for income taxes                                                   
Stock options granted   0 54,250 224,250                                        
Anti-dilutive shares   20,232,230 17,314,926 4,071,661                                        
Percentage of risk concentration             31.00% 10.00% 42.00%               14.00% 18.00% 17.00% 10.00% 15.00% 14.00% 12.00%  
Number of major customers       1                                        
Number of major Suppliers   2 4 3