Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Textual)

v3.19.2
Summary of Significant Accounting Policies (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 31, 2014
Apr. 30, 2014
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Mar. 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     $ 131 $ 109 $ 467 $ 258        
Research and development cost     80 105 89 291        
Amortization         165 144        
Share based compensation     28 42 71 165        
Deferred offering costs     92   92   $ 108     $ 96
Cash     1,158 508 1,158 508 15 $ 230 $ 923  
FDIC coverage limit     250   250   $ 908      
Shipping and handling expenses     $ 10 $ 19 $ 16 $ 24        
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        
Sale of product         $ 6 $ 5        
Warrants to purchase shares of common stock         663,356 821,202        
Options to purchase shares of common stock         555,740 618,740