Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Narrative)

v3.19.1
Summary of Significant Accounting Policies (Details Narrative)
$ in Thousands
1 Months Ended 3 Months Ended
Dec. 31, 2016
Mar. 31, 2019
USD ($)
Number
shares
Mar. 31, 2018
USD ($)
Jan. 02, 2019
shares
Dec. 31, 2018
Number
Jan. 02, 2018
USD ($)
Revenue recognized   $ 1 $ 12      
Allowance for doubtful accounts   0 0      
Inventory raw materials   92 0      
Inventory finished goods   23 23      
Inventory write-down charge   0 0      
Fixed asset impairment charge   0 0      
Depreciation and amortization expense   48 $ 26      
ROU assets   $ 1,065       $ 1,065
Lease liability           $ 1,074
Restricted Stock Units (RSUs) [Member]            
Award vesting rights   Each restricted stock unit entitles the grantee to one share of common stock to be received upon vesting up to four years after the grant date.        
2016 Equity Incentive Plan [Member]            
Percentage of increase in shares annually 6.00%          
Common stock available for issuance | shares   334,237   1,286,409    
Total reserve available for future issuance | shares       3,927,659    
Discount Rate [Member]            
Discount rate | Number   0.21     0.20  
Discount Rate [Member] | Maximum [Member]            
Increase (Decrease) in discount rate   20.00%        
Increase (Decrease) in liability   $ 195        
Discount Rate [Member] | Minimum [Member]            
Increase (Decrease) in discount rate   2.00%        
Increase (Decrease) in liability   $ 173        
Measurement Input, Royalty Payment Rate [Member]            
Discount rate | Number   0.03     0.03