Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details Textual)

v3.20.1
Stockholders' Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended
Feb. 03, 2020
Feb. 14, 2017
Jan. 23, 2020
Mar. 31, 2020
Dec. 31, 2019
Stockholders' Equity (Textual)          
Common stock, shares authorized       15,000,000 15,000,000
Common stock, par value       $ 0.001 $ 0.001
Preferred stock, shares authorized       500,000 500,000
Preferred stock, par value       $ 0.001 $ 0.001
Proceeds from issuance of private placement and public offering       $ 1,258  
Sale of common stock, shares       258,536  
Gross proceeds of common stock value       $ 439  
Common Stock [Member]          
Stockholders' Equity (Textual)          
Sale of common stock, shares 140,085   7,322    
Sale of purchase price per share $ 1.55   $ 1.50    
Gross proceeds of common stock value $ 217   $ 11    
Private Placement [Member]          
Stockholders' Equity (Textual)          
Sale of purchase price per share       $ 1.21  
At The Market Offerings [Member]          
Stockholders' Equity (Textual)          
Sale of purchase price per share       $ 1.55  
Series A Preferred Stock [Member]          
Stockholders' Equity (Textual)          
Series A preferred stock purchase right, description   Each Right entitles the registered holder, upon the occurrence of certain events specified in the Rights Agreement, to purchase from the Company one one-thousandth of a share of the Company's Series A Preferred Stock at a price of $7.00, subject to certain adjustments.