Quarterly report pursuant to Section 13 or 15(d)

Nature of Operations, Basis of Presentation and Liquidity (Details)

v3.19.1
Nature of Operations, Basis of Presentation and Liquidity (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Jan. 15, 2019
Nov. 13, 2018
Dec. 17, 2015
Mar. 27, 2019
Mar. 19, 2019
Dec. 31, 2018
Aug. 30, 2018
Apr. 25, 2018
Jan. 19, 2018
Feb. 21, 2017
Dec. 17, 2015
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Feb. 15, 2019
Sep. 27, 2018
Sep. 26, 2018
Dec. 31, 2017
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                    
Offering costs value                       $ 212 $ 290          
Net loss                       (975) (1,213)          
Cash           $ 15           2,197 230 $ 15        
Working capital                       2,905            
Current assets           2,903           4,055   2,903        
Current liabilities           $ 1,634           1,150   $ 1,634        
Net cash used in operating activities                       104 (989)          
Aggregate gross proceeds             $ 176   $ 296     $ 1,850            
Shares of common stock 32,489           131,225   140,295     771,520            
Sale of stock price per share       $ 1.46 $ 1.85 $ 1.85           $ 2.00   $ 1.85 $ 2.00     $ 2.111
Gross proceeds from sale of stock $ 65       $ 146             $ 1,755            
Sale of Common stock, shares         78,640             882,649            
Common stock, par value           $ 0.001           $ 0.001   $ 0.001        
Deferred offering costs                         108          
Common stock offer shares                       $ 1,850          
Remaining deferred offering costs                       96            
Unsecured promissory note principal amount             $ 750                      
Lender advanced additional of funds             $ 500                   $ 250  
Note payable, description           The Company drew down an additional $250 under the Note in December 2018. As of December 31, 2018, the balance of the Note was $1,000 and the Company accrued $15 of interest expense. The Note accrues interest at a rate of 5% per annum and all payments of principal, interest and other amounts under the Note are payable on August 31, 2019 or earlier under certain circumstances. The Company may prepay, in whole or in part, at any time, the principal, interest and other amounts owing under the Note, without penalty.                      
Accrued of interest expense                       $ 25            
Converted into shares                       171,233            
Deferred offering costs expenses                       $ 16 $ 6          
Minimum [Member]                                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                    
Amount drawn down   $ 750                                
Maximum [Member]                                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                    
Amount drawn down   $ 1,000                                
Cenegenics [Member]                                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                    
Sales                                  
Joseph Mannello [Member]                                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                    
Unsecured promissory note principal amount             $ 750                      
Lender advanced additional of funds           $ 250 $ 500             $ 250   $ 250    
Accrued interest percentage             5.00%                      
Converted into shares             250                      
Rens Technology Inc [Member] | Securities Purchase Agreement [Member]                                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                    
Aggregate common shares     3,537,037                              
Payments of financing     $ 20,500                              
Common stock, par value     $ 0.001               $ 0.001              
Rens Technology Inc [Member] | Securities Purchase Agreement [Member] | Share-based Compensation Award, Tranche One [Member]                                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                    
Purchaser acquired, shares                     1,500,000              
Warrants acquired                     375,000              
Purchaser acquired, value                     $ 5,250              
Securities close date, description                     The first tranche, which closed on March 3, 2016.              
Private Placement [Member]                                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                    
Gross proceeds of common stock value               $ 1,000                    
Shares of common stock       1,438,356       806,452                    
Sale of stock price per share       $ 1.46       $ 1.24                    
Gross proceeds from sale of stock       $ 1,850                            
Net proceeds from private sale of stock               $ 978                    
Related party note payable       $ 250                            
H C Wainwright [Member]                                    
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]                                    
Offering costs value                   $ 6,000                
Payments of financing                   125                
Deferred offering costs                   $ 96