Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details Narrative)

v3.4.0.3
Subsequent Events (Details Narrative) - USD ($)
Apr. 04, 2016
Mar. 31, 2016
Dec. 31, 2015
Common stock par value (in dollars per share)   $ 0.01 $ 0.01
Brainlab Senior Secured Note Payable [Member]      
Debt face amount   $ 4,289,444 $ 4,289,444
Interest rate   5.50%  
2016 Securities Purchase Agreement (Patent And Technology License Agreement) [Member] | Brainlab Senior Secured Note Payable [Member] | Common Stock [Member] | Subsequent Event [Member]      
Number of common shares issued 1    
Subsequent Event [Member] | 2016 Securities Purchase Agreement (Patent And Technology License Agreement) [Member] | Brainlab Senior Secured Note Payable [Member]      
Debt cancelled principal amount $ 1,000,000    
Subsequent Event [Member] | 2016 Securities Purchase Agreement (Patent And Technology License Agreement) [Member] | Brainlab Senior Secured Note Payable [Member] | Common Stock [Member]      
Common stock par value (in dollars per share) $ 0.01    
Subsequent Event [Member] | 2016 Securities Purchase Agreement (Patent And Technology License Agreement) [Member] | Brainlab Senior Secured Note Payable [Member] | 2016 Series A Warrants [Member]      
Number of each common stock called 0.40    
Number of common shares issued 1    
Warrant exercise price (in dollars per share) $ 0.4058    
Subsequent Event [Member] | 2016 Securities Purchase Agreement (Patent And Technology License Agreement) [Member] | Brainlab Senior Secured Note Payable [Member] | 2016 Series B Warrants [Member]      
Number of each common stock called 0.30    
Number of common shares issued 1    
Warrant exercise price (in dollars per share) $ 0.5275    
Subsequent Event [Member] | 2016 Securities Purchase Agreement [Member] | Brainlab Senior Secured Note Payable [Member]      
Accrued interest $ 740,000    
Debt cancelled principal amount $ 1,300,000    
Number of units issued 3,972,410    
Subsequent Event [Member] | 2016 Securities Purchase Agreement [Member] | New Brainlab Note (amended and restated secured note) [Member]      
Debt face amount $ 2,000,000    
Maturity date Dec. 31, 2018    
Subsequent Event [Member] | 2016 Registration Rights Agreement [Member] | Brainlab Senior Secured Note Payable [Member]      
Debt face amount $ 1,300,000    
Subsequent Event [Member] | 2016 Registration Rights Agreement [Member] | Brainlab Senior Secured Note Payable [Member] | Maximum [Member]      
Interest rate 10.00%    
Subsequent Event [Member] | 2016 Registration Rights Agreement [Member] | Brainlab Senior Secured Note Payable [Member] | Minimum [Member]      
Interest rate 2.00%