SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Detail Textuals)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
USD ($)
Sep. 30, 2016
USD ($)
Jun. 30, 2016
USD ($)
Mar. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Sep. 30, 2015
USD ($)
Jun. 30, 2015
USD ($)
Mar. 31, 2015
USD ($)
Dec. 31, 2016
USD ($)
Source
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Summary Of Significant Account Policies [Line Items]                        
Cash balance in excess of federally insured limits $ 9,300       $ 16,000       $ 9,300 $ 16,000    
Cash held in foreign bank accounts 300       500       $ 300 500    
Property and equipment, depreciation methods                 Straight-line method      
Intangible assets, amortized method                 Straight-line method      
Number of sources for revenue generation | Source                 2      
Impairment charge for prepaid carrier fees         1,300              
Advertising expenses                 $ 1,100 1,000 $ 900  
Engineering and development expenses                 9,224 8,952 8,009  
Restricted cash 221               221      
Deferred Costs 800       400       800 400    
Deferred tax expenses adjusted to retained earnings                 3,400      
Operating (loss) income (10,771) $ (2,197) $ (8,086) $ (1,748) (2,513) $ (5,819) $ 583 $ (834) (22,802) (8,583) 2,115  
Net cash (used in) provided by operating activities                 (492) 8,877 10,456  
Accumulated deficit (48,271)       (23,951)       (48,271) (23,951)    
Cash and cash equivalents 9,285       16,237       9,285 16,237 $ 17,270 $ 25,603
Long-term debt, total $ 16,160       $ 18,909       16,160 $ 18,909    
DIY                        
Summary Of Significant Account Policies [Line Items]                        
Goodwill, Impairment Loss                 200      
Omnilink Systems, Inc.                        
Summary Of Significant Account Policies [Line Items]                        
Goodwill, Impairment Loss                 9,700      
Technology | Omnilink Systems, Inc.                        
Summary Of Significant Account Policies [Line Items]                        
Impairment of intangible assets (excluding goodwill)                 100      
Trade names | Omnilink Systems, Inc.                        
Summary Of Significant Account Policies [Line Items]                        
Impairment of intangible assets (excluding goodwill)                 $ 2,100      
Customer relationships                        
Summary Of Significant Account Policies [Line Items]                        
Useful lives of intangible assets                 7 years 7 months 6 days      
Minimum                        
Summary Of Significant Account Policies [Line Items]                        
Accounts receivable, period due                 30 days      
Minimum | Patents and acquired intellectual property                        
Summary Of Significant Account Policies [Line Items]                        
Useful lives of intangible assets                 7 years      
Minimum | Customer relationships                        
Summary Of Significant Account Policies [Line Items]                        
Useful lives of intangible assets                 4 years      
Maximum                        
Summary Of Significant Account Policies [Line Items]                        
Accounts receivable, period due                 90 days      
Maximum | Patents and acquired intellectual property                        
Summary Of Significant Account Policies [Line Items]                        
Useful lives of intangible assets                 16 years      
Maximum | Customer relationships                        
Summary Of Significant Account Policies [Line Items]                        
Useful lives of intangible assets                 11 years