Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Narrative) (Details)

v3.20.1
Stock-Based Compensation (Narrative) (Details) - USD ($)
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
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 149,022 204,574
Unrecognized compensation cost $ 501,655  
Weighted average vesting period, years 1 year 8 months 12 days  
The 2013 Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options authorized for issuance 283,333  
Shares available for issuance 136,936  
The 2013 Plan [Member] | Stock Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of options outstanding 144,366  
The 2003 Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Shares available for issuance 0  
The 2003 Plan [Member] | Stock Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of options outstanding 4,656