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Accounts Receivable (Tables)
12 Months Ended
Dec. 31, 2018
Receivables [Abstract]  
Schedule of accounts receivable
   December 31,   December 31, 
   2018   2017 
         
Accounts Receivable Gross  $7,046,000   $5,958,000 
Allowance for Doubtful Accounts   (524,000)   (494,000)
Accounts Receivable Net  $6,522,000   $5,464,000 
Schedule of allowance for doubtful accounts
   Balance at Beginning of Year   Charged to Costs and Expenses   Deductions
from
Reserves
   Balance at
End of Year
 
Year ended December 31, 2018                
Allowance for Doubtful Accounts  $494,000   $30,000   $          -   $524,000 
Year ended December 31, 2017                    
Allowance for Doubtful Accounts  $403,000   $91,000   $-   $494,000