Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details Narrative)

v3.10.0.1
Stock-Based Compensation (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 07, 2018
Apr. 19, 2018
Jun. 26, 2017
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock options granted           253,000      
Exercise price of options granted           $ 2.82      
Compensation expense       $ 88,000 $ 137,000 $ 524,000   $ 618,000  
Period over which compensation expense will be recognized           1 year 2 months 12 days      
Warrants outstanding       170,314   170,314 170,314    
Weighted average exercise price of warrants       $ 32.44   $ 32.44 $ 32.44    
Weighted average remaining contractual life of warrants           2 years 7 months 6 days     3 years 3 months 19 days
Warrants intrinsic value       $ 0   $ 0 $ 0    
Warrant [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Compensation expense          
Employee Stock Option [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Unrecognized compensation expense       435,000   435,000 435,000    
Restricted Stock Units (RSUs) [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Compensation expense       34,000 $ 58,000 113,000   $ 113,000  
Unrecognized compensation expense       $ 101,000   $ 101,000 $ 101,000    
Period over which compensation expense will be recognized           6 months      
Granted restricted stock units     15,544            
Common stock granted price per share $ 3.07 $ 2.82 $ 7.72            
Grant date fair value     $ 120,000     $ 154,000      
Employment Agreement [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Fair value of options   $ 547,000              
Exercise price of options granted   $ 2.82              
Option term   10 years              
Option vesting period   2 years              
Employee [Member] | Employment Agreement [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock options granted 3,000                
Exercise price of options granted $ 3.07                
Option term 10 years                
Option vesting period 2 years                
Board Members [Member] | Restricted Stock Units (RSUs) [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted restricted stock units           42,727      
Gary Xiao [Member] | Restricted Stock Units (RSUs) [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Granted restricted stock units             9,886    
Jingbo Song [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock options granted   75,000              
James Kirsch [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock options granted   75,000              
Michael Wang [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock options granted   70,000              
Gary Xiao [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock options granted   30,000              
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            
Amended 2013 Equity Compensation Plan [Member] | November 8, 2018 [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Number of shares authorized for issuance under equity incentive plan     300,000