Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Share Capital (Details Textual)

v3.20.1
Note 9 - Share Capital (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 10 Months Ended 12 Months Ended
Jun. 08, 2018
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2019
Mar. 31, 2019
Mar. 31, 2019
May 30, 2018
Mar. 28, 2018
The 2018 Purchase Agreement [Member]                
Stock Issuance Program, Authorized Amount             $ 20,000  
Stock Issued During Period, Shares, New Issues (in shares) 170,261   3,259,955          
Stock Issued During Period, Value, New Issues $ 600              
Shares Issued, Price Per Share (in dollars per share)     $ 1.84 $ 1.84 $ 1.84 $ 1.84    
Proceeds from Issuance of Common Stock, Gross     $ 6,000   $ 7,900      
Proceeds from Issuance of Common Stock     $ 6,000 $ 7,900        
The 2018 ATM Offering [Member]                
Stock Issuance Program, Authorized Amount               $ 30,000
Stock Issued During Period, Shares, New Issues (in shares)     77,349          
Stock Issued During Period, Value, New Issues     $ 178          
Shares Issued, Price Per Share (in dollars per share)     $ 2.37 $ 2.37 $ 2.37 $ 2.37    
Proceeds from Issuance of Common Stock, Gross     $ 183     $ 11,200    
Proceeds from Issuance of Common Stock   $ 178     $ 10,900    
Stock Issuance, Percent of Cash Commission to Broker     3.00% 3.00% 3.00% 3.00%