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Inventory (Tables)
3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Inventory
   

March 31,

2020

   

December 31,

2019

 
             
Raw Materials   $ 666,000     $ 670,000  
Work In Process     149,000       141,000  
Finished Goods     212,000       290,000  
Allowance for slow moving and obsolete inventory     (304,000 )     (291,000 )
    $ 723,000     $ 810,000