Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Cash flows from operating activities:
Net income	$ 1,499	$ 1,727
Adjustments to reconcile net income to net cash provided by operating activities:
Income from discontinued operations, net	0	(86)
Depreciation, depletion and amortization	1,526	1,551
Equity in loss of joint ventures	642	264
Gain on sale of equipment and property	(8)	0
Stock-based compensation	601	29
Realized gain on available for sale investments	(108)	(119)
Net changes in operating assets and liabilities:
Accounts receivable	(292)	(124)
Deferred costs and other assets	(183)	(508)
Accounts payable and accrued liabilities	(855)	(890)
Income taxes payable and receivable	182	1,505
Other long-term liabilities	979	(249)
Net cash provided by operating activities of continuing operations	3,983	3,100
Net cash provided by operating activities of discontinued operations	0	150
Net cash provided by operating activities	3,983	3,250
Cash flows from investing activities:
Investments in properties	(487)	(6,719)
Investments in joint ventures	(2,115)	(5,676)
Purchases of investments available for sale	(24,748)	(4,725)
Proceeds from sales of investments available for sale	11,857	22,893
Proceeds from the sale of assets	8	0
Cash held in escrow	(3)	17
Net cash provided by (used in) investing activities of continuing operations	(15,488)	5,790
Net cash provided by investing activities of discontinued operations	0	23
Net cash provided by (used in) investing activities	(15,488)	5,813
Cash flows from financing activities:
Distribution to noncontrolling interest	(306)	(255)
Repurchase of Company Stock	(3,421)	(1,714)
Net cash used in financing activities of continuing operations	(3,727)	(1,969)
Net cash used in financing activities of discontinued operations	0	0
Net cash used in financing activities	(3,727)	(1,969)
Net increase (decrease) in cash and cash equivalents	(15,232)	7,094
Cash and cash equivalents at beginning of year	26,607	22,547
Cash and cash equivalents at end of the period	$ 11,375	$ 29,641