XML 42 R31.htm IDEA: XBRL DOCUMENT v3.19.2
Basis of Presentation (Details) - USD ($)
Jun. 30, 2019
Jan. 01, 2019
Dec. 31, 2018
Disclosure Text Block [Abstract]      
Operating Lease, Right-of-Use Asset $ 1,281,000 $ 1,463,000
Operating Lease, Liability, Noncurrent 994,000 1,127,000
Operating Lease, Liability, Current $ 322,000 $ 368,000