Annual report pursuant to Section 13 and 15(d)

Note 9 - Leases (Details Textual)

v3.20.4
Note 9 - Leases (Details Textual)
$ in Thousands, SFr in Millions
1 Months Ended 12 Months Ended
Nov. 30, 2020
USD ($)
Nov. 30, 2020
CHF (SFr)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Variable Lease, Cost     $ 0 $ 0  
Short-term Lease, Cost     3,000 $ 1,000  
Operating Leases, Rent Expense, Net, Total         $ 55,000
Operating Lease Not Yet Commenced     $ 9,000    
Sale and Leaseback of Certain Properties in Basel, Switzerland [Member]          
Sale Leaseback Transaction, Proceeds Received $ 73,000 SFr 67      
Sale Leaseback Transaction, Period of Leaseback (Year) 5 years 5 years      
Sale and Leaseback Transaction, Gain (Loss), Net $ 33,000 SFr 30      
Minimum [Member]          
Lessee, Operating Lease, Remaining Lease Term (Month)     1 month    
Lessee, Operating Lease, Renewal Term (Year)     1 year    
Maximum [Member]          
Lessee, Operating Lease, Remaining Lease Term (Month)     37 years    
Lessee, Operating Lease, Renewal Term (Year)     30 years    
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract (Year)     7 years