XML 52 R36.htm IDEA: XBRL DOCUMENT v3.19.3
3. Property, Plant and Equipment (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Property, Plant and Equipment [Abstract]          
Interest capitalized     $ 231 $ 0 $ 135
Depreciation expense $ 1,103 $ 1,158 $ 3,337 $ 3,457