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ACCOUNTS RECEIVABLE AND CUSTOMER DEPOSITS (Tables)
9 Months Ended
Sep. 30, 2019
Credit Loss, Additional Improvements [Abstract]  
Accounts Receivable, Allowance for Credit Loss [Table Text Block]
Our accounts receivable consisted of the following:

 

 

September 30,

 

December 31,

 

 

2019

 

2018

Accounts receivable

$

551,470

$

476,581

Less:  Allowance for doubtful accounts

 

(178,000)

 

(61,000)

  Total

$

373,470

$

415,581

Deposit Liabilities, Type [Table Text Block]
Our deferred revenue and customer deposit liability had the following activity:

 

 

Amount

December 31, 2018

$

391,290

  Additional deposits received

 

1,925,859

  Less:  Deposits recognized as revenue

 

(1,560,600)

September 30, 2019

$

756,549