CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Operating activities:
Net income	$ 32,910	$ 10,001
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for deferred income taxes	(18,165)	(9,340)
Depreciation and amortization expense	38	48
Stock-based compensation expense	108	540
Gain on sale of property, plant and equipment	(30)	(14)
Changes in assets and liabilities, net of effects of acquisitions and dispositions:
Notes and other receivables	(343)	39
Real estate, water, and intangible assets	5,361	1,923
Income taxes	27	7
Other assets	(362)	(753)
Accounts payable and accrued expenses	1,918	(666)
Net cash provided by operating activities	21,462	1,785
Investing activities:
Proceeds from the sale of property, plant and equipment	31	26
Purchases of property, plant and equipment	(8)	(66)
Net cash provided by (used in) investing activities	23	(40)
Financing activities:
Payment of withholding taxes on exercise of restricted stock units	(6)	0
Purchases of treasury stock	(2,594)	(10,380)
Other financing activities, net	(92)	(146)
Net cash used in financing activities	(2,692)	(10,526)
Net increase (decrease) in cash and cash equivalents	18,793	(8,781)
Cash and cash equivalents, beginning of year	9,388	18,169
Cash and cash equivalents, end of year	28,181	9,388
Cash paid during the year for:
Payment of federal and state income taxes	$ 28	$ 0