Intangible Assets (Tables)
 12 Months Ended
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Amortization of Intangible Assets

Intangible assets subject to amortization consist of the following:

 

    Remaining     Gross           Net Book  
    Useful Life     Value at     Accumulated     Value at  
    (Years)     December 31, 2016     Amortization     December 31, 2016  
                         
TearLab® technology     0     $ 12,172     $ (12,172 )   $ -  
Patents and trademarks     2       271       (245 )     26  
Prescriber list     1       90       (56 )     34  
Total           $ 12,533     $ (12,473 )   $ 60  

 

Remaining     Gross           Net Book    
    Useful Life     Value at     Accumulated     Value at  
    (Years)     December 31, 2015     Amortization     December 31, 2015  
                         
TearLab® technology     1     $ 12,172     $ (11,106 )   $ 1,066  
Patents and trademarks     3       268       (216 )     52  
Prescriber list     2       90       (11 )     79  
Total           $ 12,530     $ (11,333 )   $ 1,197

Schedule of Estimated Amortization Expense of Intangible Assets

Estimated future amortization expense related to intangible assets with finite lives at December 31, 2016 is as follows:

 

    Amortization  
    of intangible  
    assets  
       
2017   $ 58  
2018     2  
    $ 60