XML 33 R22.htm IDEA: XBRL DOCUMENT v3.19.1
SHORT-TERM DEBT (Tables)
12 Months Ended
Dec. 31, 2018
Debt Disclosure [Abstract]  
Schedule of Short-term Debt [Table Text Block]
 
 
 
2018
 
 
2017
 
 
 
 
 
 
 
 
Letters of credit and other short-term debt  under a revolving line of credit with a bank.
 
$
284,016
 
 
$
541,572
 
 
 
 
 
 
 
 
 
 
TOTAL
 
$
284,016
 
 
$
541,572