Quarterly report pursuant to Section 13 or 15(d)

LEASES (Narrative) (Details)

v3.19.1
LEASES (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 31, 2018
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification   $ 3,226
Research and Development facilities [Member] | Minimum [Member]    
Lessee, Operating Lease, Term of Contract 3 years  
Research and Development facilities [Member] | Maximum [Member]    
Lessee, Operating Lease, Term of Contract 16 years  
Equipment [Member]    
Lessee, Operating Lease, Term of Contract 5 years  
Offices [Member] | Minimum [Member]    
Lessee, Operating Lease, Term of Contract 1 year 6 months  
Offices [Member] | Maximum [Member]    
Lessee, Operating Lease, Term of Contract 16 years  
Cars [Member]    
Lessee, Operating Lease, Term of Contract 4 years  
Lease facilities in the USA [Member]    
Lessee, Operating Lease, Term of Contract 180 years  
Security Deposits $ 1,600