Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details 1)

v3.8.0.1
Summary of Significant Accounting Policies (Details 1) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Brainlab Senior Secured Note Payable [Member]    
Debt Instrument [Line Items]    
Carrying Values $ 2,028,111 $ 2,028,111
Estimated Fair Values 2,028,111 2,028,111
12% Junior Secured Notes Payable 2014 [Member]    
Debt Instrument [Line Items]    
Carrying Values 1,942,195 1,861,851
Estimated Fair Values 2,042,625 2,042,625
Junior Secured Notes Payable 2010 [Member]    
Debt Instrument [Line Items]    
Carrying Values 1,796,042 1,345,028
Estimated Fair Values $ 3,752,500 $ 2,789,257