Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Narrative (Details)

v3.7.0.1
Stock-Based Compensation - Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 19, 2017
Apr. 01, 2017
Feb. 15, 2017
Feb. 07, 2017
Aug. 05, 2016
Aug. 04, 2015
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Option and restricted stock unit vesting period (up to)                 3 years  
Stock based compensation             $ 293,825 $ 327,110 $ 586,159 $ 686,448
Compensation cost related to non vested awards not yet recognized             $ 2,042,117   $ 2,042,117  
Average remaining expense recognition period                 1 year 2 months  
Restricted Stock Units (RSUs) and Performance Restricted Stock Units (RSUs)                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Option and restricted stock unit vesting period (up to) 3 years                  
Equity instruments other than options, grants in period (in shares) 125,000                  
Grants in period, weighted average grant date fair value (in usd per share) $ 1.04                  
Restricted Stock Units (RSUs) and Performance Restricted Stock Units (RSUs) | Employees                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Option and restricted stock unit vesting period (up to) 3 years                  
Equity instruments other than options, grants in period (in shares) 400,000         965,500        
Grants in period, weighted average grant date fair value (in usd per share) $ 1.04         $ 3.03        
Award vesting rights, percentage 33.33%                  
Issued in period (in shares)         297,690          
Issued in period, weighted average grant date fair value (in usd per share)         $ 1.32          
Restricted Stock Units- Service Based | Employees                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Option and restricted stock unit vesting period (up to)           3 years        
Restricted Stock Units- Service Based | Employees | Vesting percentage, Year 1                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Award vesting rights, percentage           25.00%        
Restricted Stock Units- Service Based | Employees | Vesting percentage, Year 2                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Award vesting rights, percentage           25.00%        
Restricted Stock Units- Service Based | Employees | Vesting percentage, Year 3                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Award vesting rights, percentage           50.00%        
Restricted Stock Units- Performance Based | Employees | Vesting percentage, Year 1                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Award vesting rights, percentage           33.33%        
Restricted Stock Units- Performance Based | Employees | Vesting percentage, Year 2                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Award vesting rights, percentage           33.33%        
Restricted Stock Units- Performance Based | Employees | Vesting percentage, Year 3                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Award vesting rights, percentage           33.33%        
Restricted Stock Units | Employees                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Option and restricted stock unit vesting period (up to)       3 years            
Equity instruments other than options, grants in period (in shares)     20,520 186,828            
Grants in period, weighted average grant date fair value (in usd per share)     $ 1.62 $ 1.65            
Restricted Stock Units | Board of Directors                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Equity instruments other than options, grants in period (in shares)   116,280                
Grants in period, weighted average grant date fair value (in usd per share)   $ 1.29