XML 43 R28.htm IDEA: XBRL DOCUMENT v3.19.1
ALLOWANCE FOR DOUBTFUL ACCOUNTS (Tables)
12 Months Ended
Dec. 31, 2018
Allowance For Doubtful Accounts  
Schedule of allowance for doubtful accounts
    2018     2017  
Balance at beginning of period   $ 14,001     $ -  
Provisions for losses     15,000       30,000  
Accounts charged-off     -       (15,999 )
Balance at end of period   $ 29,001     $ 14,001