Quarterly report pursuant to Section 13 or 15(d)

Notes Payable (Detail Narrative)

v3.2.0.727
Notes Payable (Detail Narrative) - USD ($)
 1 Months Ended 6 Months Ended
Dec. 31, 2014
Mar. 31, 2014
Jun. 30, 2015
Jun. 30, 2014
Debt Instrument [Line Items]        
Proceeds from common stock called $ 9,379,880 $ 3,503,314   $ 3,503,314
Unamortized discount     $ (3,124,402)  
Brainlab Senior Secured Note Payable [Member]        
Debt Instrument [Line Items]        
Stated interest rate     5.50%  
Description of maturity date    

Matures in April 2016

  
Debt face amount     $ 4,289,444  
Description of collateral terms    

The Brainlab Note is secured by a senior security interest in the assets of the Company.

  
Unamortized discount $ 271,305   $ 171,848  
Description of payment terms    

Principal and accrued interest is payable in a single installment upon maturity.

  
Private Placement (Securities Purchase Agreements) [Member] | Warrant [Member]        
Debt Instrument [Line Items]        
Number of each common stock called   0.3    
Number of common stock called   1,117,500    
Proceeds from common stock called   $ 3,725,000    
Warrant exercise price (in dollars per share)   $ 1.75    
Fair value   $ 413,057    
Private Placement (Securities Purchase Agreements) [Member] | 2014 Secured Notes [Member]        
Debt Instrument [Line Items]        
Stated interest rate   12.00%    
Debt face amount   $ 3,725,000    
Maturity period   5 years    
Debt frequency of periodic payment  

Semi-annually

    
Description of collateral terms  

The 2014 Secured Notes are secured by a security interest in the Company’s property and assets, which security interest is junior and subordinate to the security interest that secures Brainlab note.

    
Unamortized discount   $ 413,057    
Private Placement (Securities Purchase Agreements) [Member] | 2014 Secured Notes [Member] | Non-Employee Directors [Member]        
Debt Instrument [Line Items]        
Debt face amount   1,100,000    
Fair value   30,210    
Placement agents cash commission   $ 145,500    
Number of warrants issued to placement agent   72,750    
Other offering expenses   $ 76,186