Quarterly report pursuant to Section 13 or 15(d)

Organization and Summary of Significant Accounting Policies (Details Narrative)

v3.19.2
Organization and Summary of Significant Accounting Policies (Details Narrative) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Jul. 26, 2019
Jun. 04, 2019
Jan. 02, 2019
Oct. 02, 2018
May 14, 2018
Jul. 31, 2019
Mar. 31, 2018
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Loss from continuing operations               $ (730) $ (2,181) $ (2,359) $ (5,666)  
Net cash used in operating activities                   (2,979) (5,532)  
Accumulated deficit               (231,641)   (231,641)   $ (229,281)
Proceeds from issuance of private placement             $ 1,400          
Proceeds from issuance of public offering         $ 15,000              
Common stock issued for cash               $ 397   397    
Common stock issued for cash, shares               144,415        
Operating lease asset     $ 659         $ 2,535   2,535  
Operating lease liability     946         $ 2,637   2,637    
Right-of-use assets and assumption of operating lease liability     $ 659             2,704  
Retail Spine Business [Member]                        
Related party note payable assumed amount       $ 2,500                
Preferred Stock [Member]                        
Common stock issued for cash                      
Common stock issued for cash, shares                      
Issuance of common stock due to conversion of preferred stock, shares               3,337   (3,337) (4)  
Common Stock [Member]                        
Common stock issued for cash                   $ 1    
Common stock issued for cash, shares                   144,415    
Issuance of common stock due to conversion of preferred stock, shares               983,528   983,528 102,886  
Equity Distribution Agreement [Member]                        
Percentage of maximum transaction fee   4.25%                    
Equity Distribution Agreement [Member] | Maximum [Member]                        
Common stock offering price   $ 1,600                    
Subsequent Event [Member]                        
Reverse stock split, description 1 for 30 reverse stock split                      
Subsequent Event [Member] | Retail Spine Business [Member] | Next Ten Months [Member]                        
Proceeds from sales of business           $ 1,400            
Subsequent Event [Member] | Retail Spine Business [Member] | Following Eighteen Months [Member]                        
Proceeds from sales of business           $ 3,500