Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Narrative) (Details)

v3.8.0.1
Stock-Based Compensation (Narrative) (Details) - USD ($)
1 Months Ended 3 Months Ended
Apr. 11, 2017
Mar. 31, 2016
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Jun. 10, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of options outstanding     2,515,570      
Number of RSUs outstanding     35,475      
Income tax benefit from share-based compensation     $ 0      
Valuation allowance on deferred tax assets     100.00%      
Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of options outstanding     2,515,570   1,814,231  
Percentage of Event Occurence to Vest     100.00%      
Stock options granted     701,339      
Stock option exercise price     $ 2.08      
Intrinsic value of options exercised     $ 0 $ 0    
Weighted average fair value at grant date, Vested     $ 1.35 $ 1.17    
Unrecognized compensation cost     $ 1,887,486      
Weighted average vesting period, years     3 years      
Restricted Stock Units (RSUs) [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of RSUs outstanding     35,475   47,300  
Unrecognized compensation cost     $ 62,168      
Weighted average vesting period, years     2 years 10 months 24 days      
The 2013 Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Options authorized for issuance           1,700,000
Additional options authorized for issuance 1,700,000          
Shares available for issuance     1,173,380      
The 2013 Plan [Member] | Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of options outstanding     2,178,570      
The 2013 Plan [Member] | Restricted Stock Units (RSUs) [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of RSUs outstanding     35,475      
The 2003 Plan [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Number of options outstanding     325,000      
Share-based Compensation Award, Tranche One [Member] | Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting percentage     25.00%      
Share-based Compensation Award, Tranche Two [Member] | Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting percentage     2.78%      
Minimum [Member] | Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period     1 year      
Maximum [Member] | Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period     3 years      
Expiration of options from grant date, years     10 years      
Exercise Price Range $1.78 to $2.29 [Member] | Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock options granted     701,339      
Stock option grants fair value     $ 945,202      
Exercise Price Range $1.78 to $2.29 [Member] | Minimum [Member] | Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock option exercise price     $ 1.78      
Exercise Price Range $1.78 to $2.29 [Member] | Maximum [Member] | Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock option exercise price     $ 2.29      
Exercise Price Range $1.84 to $2.58 [Member] | Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock options granted       338,260    
Stock option grants fair value       $ 395,156    
Exercise Price Range $1.84 to $2.58 [Member] | Minimum [Member] | Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock option exercise price       $ 1.84    
Exercise Price Range $1.84 to $2.58 [Member] | Maximum [Member] | Stock Option [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock option exercise price       $ 2.58    
Third Party [Member]            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Stock options granted   12,000