Annual report pursuant to Section 13 and 15(d)

Note 2 - Summary of Significant Accounting Policies (Details Textual)

v3.20.2
Note 2 - Summary of Significant Accounting Policies (Details Textual)
$ in Thousands
12 Months Ended
Mar. 31, 2020
USD ($)
Mar. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Assets, Current, Total $ 16,079 $ 27,966    
Cash and Cash Equivalents, at Carrying Value, Ending Balance 14,240 16,871 $ 16,871 $ 6,423
Liabilities, Current, Total 7,395 13,668    
Impairment of Long-Lived Assets Held-for-use 0 0    
Operating Lease, Right-of-Use Asset $ 147    
Lessee, Operating Lease, Term of Contract (Year) 2 years      
Lessee, Operating Lease, Liability, Undiscounted Excess Amount $ 80      
Number of Reportable Segments 1      
Assets, Total $ 22,853 36,896    
Operating Lease, Liability, Total $ 147      
Lessee, Operating Lease, Discount Rate 8.00%      
FRANCE        
Assets, Total $ 1,510 $ 1,873