CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Statement of Cash Flows [Abstract]
Net income (loss)	$ (294)	$ (429)
Adjustments to reconcile net income to net cash provided by (used in) operating activities
Depreciation, depletion and amortization	227	294
Write-off of retirement center assets	24	0
Changes in operating assets and liabilities
Other current and non-current assets	123	(13)
Accounts payable and other liabilities	284	207
Net cash provided by (used) in operating activities	364	59
Cash flows from investing activities
Investment in undeveloped land	(10)	0
Fixed asset additions	(2)	(23)
Net cash provided by (used in) investing activities	(12)	(23)
Cash flows from financing activities
Payment on notes payable	(32)	(35)
Net cash provided by (used in) financing activities	(32)	(35)
Net increase (decrease) in cash and cash equivalents	320	1
Cash and cash equivalents at beginning of year	113	473
Cash and cash equivalents at end of year	433	474
Supplemental disclosures of cash flow information
Cash paid for interest on notes payable	13	18
Cash paid for principal on notes payable	$ 32	$ 40