Property and Equipment, Net
 12 Months Ended
Dec. 31, 2017
Property, Plant and Equipment [Abstract]  
Property and Equipment, Net

Note 5 - Property and Equipment, Net

 

Property and equipment as of December 31, 2017 and 2016 was as follows:

 

          December 31,  
    Life     2017     2016  
Manufacturing equipment     3-5 years     $ 700,000     $ 690,000  
Research equipment     5 years       37,000       37,000  
Computer equipment     3-4 years       43,000       43,000  
Furniture and fixtures     7 years       37,000       37,000  
Property and equipment, gross             817,000       807,000  
Less: accumulated depreciation             765,000       737,000  
Property and equipment, net           $ 52,000     $ 70,000  

 

Depreciation expense for each of the years ended December 31, 2017 and 2016 was approximately $28,000 and $19,000, respectively.