Operating Segments and Related Information - Schedule of Discontinued Operations on Statement of Cash Flows (Details) - HCRA - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net cash used in operating activities	$ (1,484)	$ (1,364)	$ (1,309)
Net cash used in investing activities	0	0	0
Net cash provided by financing activities	0	0	0
Increase (decrease) in cash and cash equivalents	$ (1,484)	$ (1,364)	$ (1,309)