XML 40 R27.htm IDEA: XBRL DOCUMENT v3.8.0.1
Business and Basis for Presentation (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Working capital $ 2,100,000      
Cash and short-term investments 1,700,000      
Shareholders' equity 2,567,366 $ 4,904,926 $ 9,075,805 $ 12,082,170
Accumulated deficit 109,062,827 $ 106,648,968    
Minimum [Member]        
Non-recurring cash expenses 350,000      
Maximum [Member]        
Non-recurring cash expenses 450,000      
February 2018 [Member]        
Interest free loan $ 1,250,000      
Interest free loan, term 5 years