XML 52 R41.htm IDEA: XBRL DOCUMENT v3.19.2
Note 5 - Leases (Details Textual) - USD ($)
Mar. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Lessee, Operating Lease, Renewal Term 5 years    
Operating Lease, Right-of-Use Asset $ 7,532,000   $ 0
Operating Lease, Liability, Total $ 8,347,000    
Accounting Standards Update 2016-02 [Member]      
Operating Lease, Right-of-Use Asset   $ 7,664,000  
Operating Lease, Liability, Total   $ 8,549,000  
Minimum [Member]      
Lessee, Operating Lease, Term of Contract 10 years    
Maximum [Member]      
Lessee, Operating Lease, Term of Contract 11 years