Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details Narrative)

v3.19.3
Stock-Based Compensation (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Mar. 11, 2019
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Nov. 08, 2018
Jun. 26, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock options granted       30,000 253,000      
Exercise price of options granted       $ 2.23 $ 2.82      
Non-cash compensation expense       $ 183,916 $ 637,062      
Unrecognized compensation expense   $ 55,000   $ 55,000        
Unrecognized compensation expense remaining weighted average period       1 year        
Compensation cost        
Restricted Stock Units (RSUs) [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Non-cash compensation expense   68,000 34,000 143,000 113,000      
Unrecognized compensation expense   $ 72,000   $ 72,000        
Unrecognized compensation expense remaining weighted average period       3 months 19 days        
Aggregate grant date fair value awards amount       $ 156,000        
Warrant [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Warrants outstanding   125,000   125,000        
Weighted average exercise price of warrants   $ 20.00   $ 20.00        
Weighted average remaining contractual life of warrants   2 years 2 months 12 days   2 years 2 months 12 days   2 years 7 months 6 days    
Warrants intrinsic value   $ 0   $ 0        
General and Administrative Expense [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Non-cash compensation expense   $ 17,000 $ 137,000 $ 40,000 $ 524,000      
Board Members [Member] | Restricted Stock Units (RSUs) [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Granted restricted stock units       46,402        
Common stock granted price per share   $ 3.09   $ 3.09        
Adam He [Member] | Restricted Stock Units (RSUs) [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Granted restricted stock units       1,166        
Common stock granted price per share   $ 3.32   $ 3.32        
Employment Agreement [Member] | Mr. He [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock options granted 30,000              
Fair value of options $ 54,000              
Exercise price of options granted $ 2.23              
Option term 10 years              
Option vesting period 2 years              
2013 Equity Compensation Plan [Member] | Minimum [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized for issuance under equity incentive plan               225,000
2013 Equity Compensation Plan [Member] | Maximum [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized for issuance under equity incentive plan               615,000
Amended 2013 Equity Compensation Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares authorized for issuance under equity incentive plan   915,000   915,000     300,000