XML 24 R14.htm IDEA: XBRL DOCUMENT v3.8.0.1
INVESTMENTS IN MARKETABLE SECURITIES (Tables)
3 Months Ended
Mar. 31, 2018
Investments, Debt and Equity Securities [Abstract]  
Gain (Loss) on Investments [Table Text Block]
Net realized and unrealized gain from investments in marketable securities for the three months ended March 31, 2018 and 2017 is summarized below: 
 
 
Three Months Ended March 31,
 
Description
 
2018
 
2017
 
Net realized loss from sales of securities
 
$
(8,000)
 
$
(18,000)
 
Unrealized net gain in trading securities
 
 
(13,000)
 
 
145,000
 
Total net gain from investments in marketable securities
 
$
(21,000)
 
$
127,000