Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Nature of Operations, Basis of Presentation and Liquidity (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Mar. 27, 2019
Jan. 15, 2019
Nov. 13, 2018
Dec. 17, 2015
Mar. 31, 2019
Mar. 27, 2019
Mar. 19, 2019
Dec. 31, 2018
Aug. 30, 2018
Apr. 30, 2018
Apr. 25, 2018
Jan. 19, 2018
Feb. 21, 2017
Dec. 17, 2015
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2018
Mar. 31, 2018
Jun. 30, 2019
Jun. 30, 2018
Feb. 15, 2019
Sep. 27, 2018
Sep. 26, 2018
Apr. 29, 2018
Apr. 23, 2018
Apr. 04, 2018
Dec. 31, 2017
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                                      
Offering costs value                               $ 211 $ 176 $ 290                  
Net loss                             $ (1,175)   (1,034)   $ (2,150) $ (2,247)              
Cash               $ 15             1,158   $ 508 230 1,158 508             $ 923
Working capital                             1,905       1,905                
Current assets               2,903             2,998       2,998                
Current liabilities               $ 1,634             $ 1,093       1,093                
Net cash used in operating activities                   $ 1,544                 $ (1,135) (1,770)              
Aggregate gross proceeds $ 1,850                 $ 176   $ 296                              
Shares of common stock   32,489               131,225   140,295             771,520                
Sale of stock price per share $ 1.46 $ 2.00       $ 1.46 $ 1.85 $ 1.85       $ 2.111     $ 2.00       $ 2.00   $ 2.00     $ 1.24 $ 1.38 $ 1.25  
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                 $ 96
Common stock offer shares                                     $ 1,850 1,449              
Remaining deferred offering costs                             $ 96       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                             $ 35       35                
Converted into shares 171,233       171,233                                            
Deferred offering costs expenses                                     $ 16 $ 6              
Minimum [Member]                                                      
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                                      
Amount drawn down     $ 750                                                
Maximum [Member]                                                      
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                                      
Amount drawn down     $ 1,000                                                
Joseph Mannello [Member]                                                      
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                                      
Unsecured promissory note principal amount                 $ 750                                    
Lender advanced additional of funds               $ 250 $ 500                         $ 250          
Accrued interest percentage                 5.00%                                    
Converted into shares                 250                                    
Rens Technology Inc [Member] | Securities Purchase Agreement [Member]                                                      
Collaborative Arrangement and Arrangement Other than Collaborative [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 Arrangement and Arrangement Other than Collaborative [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 Arrangement and Arrangement Other than Collaborative [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         $ 1.46         $ 1.24                                
Gross proceeds from sale of stock           $ 1,850                                          
Net proceeds from private sale of stock                     $ 978                                
Related party note payable $ 250         $ 250                                          
H C Wainwright [Member]                                                      
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                                      
Offering costs value                         $ 6,000                            
Payments of financing                         125                            
Deferred offering costs                         $ 96