Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details Narrative)

Subsequent Events (Details Narrative) - USD ($)
$ in Thousands
May 14, 2020
May 13, 2020
Oct. 03, 2019
Subsequent Event [Member] | Sales Agreement [Member] | Canaccord Genuity LLC [Member]      
Shares offering price 25,000    
Commission percentage 3.00%    
Reimbursement amount $ 50,000    
Convertible Unsecured Promissory Notes [Member] | Investors [Member]      
Convertible notes payable     $ 5,000
Convertible Unsecured Promissory Notes [Member] | Investors [Member] | Subsequent Event [Member]      
Debt instrument, description   On May 13, 2020, the Company and the Investors amended and restated the Notes (as amended and restated, the "Restated Notes") to, among other things, (i) remove the conversion feature of the Notes, (ii) provide for certain mandatory prepayment obligations of the Company on or following October 1, 2020, and (iii) extend the maturity date of the Notes to March 31, 2021.