Annual report pursuant to Section 13 and 15(d)

Organization and Summary of Significant Accounting Policies (Details Narrative)

v3.19.1
Organization and Summary of Significant Accounting Policies (Details Narrative) - USD ($)
$ in Thousands
 1 Months Ended 12 Months Ended
Oct. 02, 2018
May 14, 2018
Nov. 10, 2017
Mar. 31, 2018
Dec. 31, 2018
Dec. 31, 2017
Net loss         $ (8,652) $ (9,329)
Net cash used in operating activities         (9,328) (7,127)
Accumulated deficit         (229,281) (220,629)
Proceeds from issuance of private placement       $ 1,400    
Proceeds from issuance of public offering   $ 15,000        
Reverse stock split     1 for 12 reverse stock split.      
Impairment loss for definite-lived intangible assets        
Advertising costs         $ 100 $ 100
Income tax position, description         Less than a 50%  
Leasehold Improvements [Member]            
Estimated useful lives of property and equipment         5 years  
Minimum [Member]            
Estimated useful lives of property and equipment         3 years  
Maximum [Member]            
Estimated useful lives of property and equipment         5 years  
Trade Accounts Receivable [Member] | One Customer [Member]            
Concentration credit risk         51.00%  
Revenues [Member] | One Customer [Member]            
Concentration credit risk         100.00%  
Retail Spine Business [Member]            
Related party note payable assumed amount $ 2,500          
Retail Spine Business [Member] | Next Eighteen Months [Member]            
Proceeds from sales of business 2,500          
Retail Spine Business [Member] | Following Eighteen Months [Member]            
Proceeds from sales of business $ 3,500