Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Textual)

v3.19.3
Summary of Significant Accounting Policies (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Jul. 31, 2014
Apr. 30, 2014
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Feb. 21, 2017
Summary of Significant Accounting Policies (Textual)                  
Estimated useful life of intangible assets 10 years                
Intangible asset acquired $ 101                
Discount rate 10.00%                
Advertising and promotional costs     $ 200 $ 8 $ 667 $ 267      
Research and development cost     48 62 137 353      
Share based compensation     22 30 93 195      
Deferred offering costs     95   95   $ 108   $ 96
Cash     396 459 396 459 15 $ 923  
FDIC coverage limit     250   250   $ 146    
Shipping and handling expenses     $ 30 $ 11 $ 46 $ 35      
Minimum [Member]                  
Summary of Significant Accounting Policies (Textual)                  
Estimated useful lives of fixed assets         3 years        
Maximum [Member]                  
Summary of Significant Accounting Policies (Textual)                  
Estimated useful lives of fixed assets         7 years        
Intellectual Property [Member]                  
Summary of Significant Accounting Policies (Textual)                  
Estimated useful life of intangible assets   10 years              
Patents [Member]                  
Summary of Significant Accounting Policies (Textual)                  
Estimated useful life of intangible assets 20 years                
Employee Stock Option [Member]                  
Summary of Significant Accounting Policies (Textual)                  
Potentially dilutive common stock equivalents outstanding         1,216,096 1,439,942      
Warrants to purchase shares of common stock         663,356 821,202      
Options to purchase shares of common stock         555,740 618,740