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AGREEMENT WITH HEALTHCOR (Details Narrative)
6 Months Ended
Jan. 31, 2012
USD ($)
$ / shares
Apr. 21, 2011
USD ($)
$ / shares
shares
Jun. 30, 2016
Number
HealthCor Purchase Agreement [Member] | 2011 Senior Secured Convertible Note#1 [Member]      
Note amount | $   $ 9,316,000  
Debt Maturity Date   Apr. 20, 2021  
Issuance of warrants | shares   5,488,456  
Exercise price of warrants | $ / shares   $ 1.40  
HealthCor Purchase Agreement [Member] | 2011 Senior Secured Convertible Note#2 [Member]      
Note amount | $   $ 10,684,000  
Debt Maturity Date   Apr. 20, 2021  
Issuance of warrants | shares   6,294,403  
Exercise price of warrants | $ / shares   $ 1.40  
HealthCor Purchase Agreement [Member] | 2011 Senior Secured Convertible Notes [Member]      
Increase in interest rate (per annum) should default occur   5.00%  
Debt conversion price | $ / shares   $ 1.25  
Number of shares the note may be converted into | Number     30,182,000
HealthCor Purchase Agreement [Member] | 2011 Senior Secured Convertible Notes [Member] | First Five Year Note Period [Member]      
Interest rate, provided no default   12.50%  
HealthCor Purchase Agreement [Member] | 2011 Senior Secured Convertible Notes [Member] | Second Five Year Note Period [Member]      
Interest rate, provided no default   10.00%  
HealthCor Second Amendment Purchase Agreement [Member] | 2012 Senior Secured Convertible Note#1 [Member]      
Note amount | $ $ 2,329,000    
Debt Maturity Date Jan. 30, 2022    
HealthCor Second Amendment Purchase Agreement [Member] | 2012 Senior Secured Convertible Note#2 [Member]      
Note amount | $ $ 2,671,000    
Debt Maturity Date Jan. 30, 2022    
HealthCor Second Amendment Purchase Agreement [Member] | 2012 Senior Secured Convertible Notes [Member]      
Debt conversion price | $ / shares $ 1.25    
Number of shares the note may be converted into | Number     6,888,000