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Share-Based Payment Arrangements - Narrative (Details)
12 Months Ended
Dec. 10, 2013
shares
Feb. 22, 2011
USD ($)
$ / shares
shares
Dec. 31, 2016
USD ($)
plan
$ / shares
shares
Dec. 31, 2015
USD ($)
$ / shares
shares
Dec. 31, 2014
USD ($)
Dec. 09, 2013
USD ($)
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of share-based compensation plans | plan     3      
Share based compensation expense | $     $ 1,683,000 $ 1,964,000    
Common stock par value (in USD per share) | $ / shares     $ 0.01 $ 0.01    
Equity Incentive Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of shares available for grant (shares)     10,000,000      
Shares issuable and available for grant (shares)     1,982,500      
Equity Incentive Plan [Member] | Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted     2,800,000 2,100,000    
Total unrecognized compensation cost | $     $ 896,000 $ 1,415,168    
Grant-date fair value of option awards | $     $ 634,866 $ 79,387    
Shares Price (in USD per share) | $ / shares     $ 0.00 $ 0.00    
Options (in USD per share) | $ / shares     $ 0.41 $ 0.73    
Period for recognition of costs not yet recognized     2 years 1 month 13 days      
Equity Incentive Plan [Member] | Stock Option [Member] | Weighted Average [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Period for recognition of costs not yet recognized     25 months 15 days      
Equity Incentive Plan [Member] | Stock Award [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted     100,000 0    
Vested     125,000 25,000    
Grant-date fair value of option awards | $     $ 0 $ 16,250 $ 32,500  
Weightd average grant date fair value | $     $ 53,000 $ 0    
Equity Incentive Plan [Member] | Directors, Officers, and Key Employees [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted     2,925,000 5,417,500    
Vested     125,000      
Equity Incentive Plan [Member] | Directors, Officers, and Key Employees [Member] | Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted     2,800,000 5,317,500    
Equity Incentive Plan [Member] | Directors, Officers, and Key Employees [Member] | Stock Award [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vested       100,000    
Advisor Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share based compensation expense | $   $ 2,850,000        
Granted   5,000,000 86,404 1,035,743    
Vested     86,404 1,035,743    
Grant-date fair value of option awards | $     $ 0 $ 0 0  
Common stock par value (in USD per share) | $ / shares   $ 0.01        
Award vesting period (years)   3 years        
Shares Price (in USD per share) | $ / shares   $ 0.57   $ 0.40    
Weightd average grant date fair value | $     $ 38,000 $ 418,000    
Advisor Plan [Member] | Weighted Average [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Shares Price (in USD per share) | $ / shares     $ 0.44      
Guaranty Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Granted 3,681,000   0 0    
Vested     1,157,653 1,224,763    
Grant-date fair value of option awards | $     $ 0 $ 694,591 $ 1,429,449 $ 2,208,600
Common stock par value (in USD per share) | $ / shares           $ 0.01
Weightd average grant date fair value | $     $ 0 $ 0    
Options (in USD per share) | $ / shares           $ 0.60