Annual report pursuant to Section 13 and 15(d)

Organization and Summary of Significant Accounting Policies (Details Narrative)

v3.21.1
Organization and Summary of Significant Accounting Policies (Details Narrative) - USD ($)
$ in Thousands
12 Months Ended
Feb. 06, 2020
Sep. 12, 2019
Jul. 26, 2019
Oct. 02, 2018
Dec. 31, 2020
Dec. 31, 2019
Net loss         $ (7,029) $ (4,797)
Net cash used in operating activities         (9,112) (6,435)
Accumulated deficit         (241,107) (234,078)
Proceeds from issuance of public offering $ 9,400          
Underwriting discounts and commissions and offering expenses payable $ 1,200          
Non interest note receivable       $ 6,000    
Debt description       A 36 month term, with maturing of the note receivable on October 1, 2021.    
Reverse stock split     1 for 30 reverse stock split      
Intangible assets impairment loss          
Advertising costs        
Income tax position, description         Less than a 50%  
Potentially dilutive securities         1,500,000 500,000
Leasehold Improvements [Member]            
Estimated useful lives of property and equipment         5 years  
Accounts Receivable [Member] | Two Customers [Member]            
Concentration credit risk         91.00%  
Accounts Receivable [Member] | One Customer [Member]            
Concentration credit risk         95.00% 100.00%
Maximum [Member]            
Estimated useful lives of property and equipment         5 years  
Minimum [Member]            
Estimated useful lives of property and equipment         3 years  
Four Registered Direct Offerings [Member]            
Number of shares issuance cost         11,015,000  
Proceeds from issuance cost         $ 20,900  
Stock offering expense         1,600  
ATM Equity Distribution Agreement [Member]            
Stock offering expense         $ 34 $ 200
Number of stock sold during period         354,381 527,896
Sale of stock value         $ 800 $ 1,700
ATM Equity Distribution Agreement [Member] | Maximum [Member]            
Proceeds from issuance of public offering   $ 2,500       $ 2,500
ATM Equity Distribution Agreement [Member] | Minimum [Member]            
Proceeds from issuance of public offering   $ 1,600