Quarterly report pursuant to Section 13 or 15(d)

Stockholder's Equity (Details Narrative)

v3.10.0.1
Stockholder's Equity (Details Narrative)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Mar. 27, 2018
USD ($)
shares
Mar. 12, 2018
USD ($)
$ / shares
shares
Feb. 21, 2018
shares
Feb. 16, 2018
USD ($)
$ / shares
shares
Jun. 30, 2018
USD ($)
$ / shares
shares
Jun. 30, 2017
USD ($)
Jun. 30, 2018
USD ($)
$ / shares
shares
Jun. 30, 2017
USD ($)
Jun. 06, 2018
$ / shares
shares
Feb. 12, 2018
$ / shares
Dec. 31, 2017
$ / shares
Net proceeds | $             $ 16,100      
Number of shares issued upon services | shares 15,000                    
Value of shares issued upon services | $ $ 69                    
Number of options exercised | shares             896        
Unamortized stock compensation for stock options | $         $ 2,242   $ 2,242        
Unamortized stock compensation for stock options period             1 year 1 month 2 days        
Number of outstanding options to purchase | shares             961,807        
Weighted-average exercise price (in dollars per share) | $ / shares         $ 4.31   $ 4.31        
General and administrative expense | $         $ 1,740 $ 840 $ 3,876 $ 2,493      
2016 Equity Incentive Plan [Member]                      
Number of common stock available for issuance | shares         2,641,250   2,641,250        
Percentage of increase in shares annually             6.00%        
Option expected life             5 years 8 months 12 days        
Option volatility             66.73%        
Option risk-free rate             2.72%        
Option dividend rate             0.00%        
Previous adjusted the fair market value             500.00%        
Valuation assessment and adjusted the fair market value             239.00%        
Consultant [Member]                      
Number of shares issued | shares     394                
Number of options exercised | shares     896                
Warrant [Member]                      
Warrant exericse price (in dollars per share) | $ / shares         $ 5.04   $ 5.04       $ 5.07
Amendment To Registration Rights Agreement And Certificate Of Designation [Member] | Series A Convertible Preferred Stock [Member] | Warrant [Member]                      
Number of warrants purchased | shares       1,095,682              
Warrant term (in years)       5 years              
Initial fair value | $       $ 3,156              
Amendment To Registration Rights Agreement And Certificate Of Designation [Member] | Series A Convertible Preferred Stock [Member] | Warrant [Member] | Expected Term [Member]                      
Expected life       5 years              
Amendment To Registration Rights Agreement And Certificate Of Designation [Member] | Series A Convertible Preferred Stock [Member] | Warrant [Member] | Volatility [Member]                      
Measurement Input       67.08              
Amendment To Registration Rights Agreement And Certificate Of Designation [Member] | Series A Convertible Preferred Stock [Member] | Warrant [Member] | Risk Free Interest Rate [Member]                      
Measurement Input       2.63              
Amendment To Registration Rights Agreement And Certificate Of Designation [Member] | Series A Convertible Preferred Stock [Member] | Warrant [Member] | Dividend Rate [Member]                      
Measurement Input       0.00              
Consultant Agreement [Member] | Warrant [Member] | Consultant [Member]                      
Number of warrants purchased | shares                 10,000    
Warrant exericse price (in dollars per share) | $ / shares                 $ 5.25    
Warrant term (in years)         5 years            
Expensed using the straight-line method | $         $ 35            
Prepaid expense | $         28   $ 28        
General and administrative expense | $         $ 7            
Consultant Agreement [Member] | Warrant [Member] | Consultant [Member] | Expected Term [Member]                      
Expected life         5 years   5 years        
Consultant Agreement [Member] | Warrant [Member] | Consultant [Member] | Volatility [Member]                      
Warrants, measurement input         62.24   62.24        
Consultant Agreement [Member] | Warrant [Member] | Consultant [Member] | Risk Free Interest Rate [Member]                      
Warrants, measurement input         2.73   2.73        
Consultant Agreement [Member] | Warrant [Member] | Consultant [Member] | Dividend Rate [Member]                      
Warrants, measurement input         0   0        
Consultant Agreement [Member] | Warrant [Member] | Consultant [Member] | Four Month Anniversary [Member]                      
Number of warrants purchased | shares         10,000   10,000        
Warrant exericse price (in dollars per share) | $ / shares         $ 6.25   $ 6.25        
Consultant Agreement [Member] | Warrant [Member] | Consultant [Member] | Eight Month Anniversary [Member]                      
Number of warrants purchased | shares         10,000   10,000        
Warrant exericse price (in dollars per share) | $ / shares         $ 7.25   $ 7.25        
IPO [Member]                      
Number of shares issued | shares       3,500,000              
Share price (in dollars per share) | $ / shares       $ 5.00              
Net proceeds | $       $ 15,000              
Underwriting discounts and commissions | $       1,400              
Other offering expenses | $       $ 1,100              
30 Days Over-Allotment Option [Member] | Amendment To Registration Rights Agreement And Certificate Of Designation [Member] | Series A Convertible Preferred Stock [Member]                      
Number of shares issued | shares       525,000              
Share price (in dollars per share) | $ / shares   $ 5.00               $ 5.00  
Net proceeds | $   $ 258                  
Underwriting discounts and commissions | $   $ 22                  
Number of additional shares issued | shares   56,000