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Note 8 - Operating Leases (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Lease, Cost [Table Text Block]
    For the twelve months
ended December 31, 2019
Lease cost        
Operating lease cost   $
2,087
 
Short-term lease cost    
6
 
Variable lease cost    
216
 
Total lease cost   $
2,309
 
         
Other information        
Operating cash flows from operating leases   $
1,980
 
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
Years ended December 31,  
2020   $
2,025
 
2021    
2,024
 
2022    
1,981
 
2023    
1,965
 
2024    
1,924
 
Thereafter    
21,374
 
Present value adjustment    
(8,785
)
Present value of lease payments    
22,508
 
Less current portion included in Accrued expenses and other current liabilities    
(1,141
)
Operating lease liabilities   $
21,367
 
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Years ended December 31,    
2019   $
1,879
 
2020    
1,917
 
2021    
1,924
 
2022    
1,672
 
2023    
414
 
2024 and thereafter    
897
 
Total   $
8,703