CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Operating activities:
Net earnings	$ 14,678	$ 9,361
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation	2,514	2,289
Amortization of credit facility fees	47	42
Stock-based compensation	208	256
Deferred income taxes	1,698	(1,822)
Benefit for contingent obligation	(541)	(112)
Gains on equity securities	(86)	(4)
Gain on sale of land	(8,510)	(4,843)
Changes in assets and liabilities:
Accounts receivable	(1,062)	(587)
Inventories	(6)
Prepaid expenses and other	428	171
Accounts payable	(201)	2,957
Accrued liabilities	(145)	658
Income taxes payable/receivable	1,317	(266)
Contract liabilities	(684)	449
Liability for pension benefits	(266)	(109)
Net cash provided by operating activities	9,389	8,440
Investing activities:
Capital expenditures	(10,489)	(545)
Proceeds from sale of land, net	13,826	5,960
Purchases of equity securities	(76)	(316)
Proceeds from sale of equity securities	78	305
Net cash provided by investing activities	3,339	5,404
Financing activities:
Borrowings from revolving line of credit	0	3,880
Repayments on revolving line of credit	0	(3,880)
Dividends paid	(1,458)
Repurchase of common stock	(117)	(94)
Credit facility fees	(38)
Net cash used in financing activities	(1,613)	(94)
Net increase in cash	11,115	13,750
Cash, beginning of period	12,568	7,577
Cash, end of period	23,683	21,327
Supplemental information:
Interest received	(1)	(10)
Income tax payments	2,108	302
Change in accounts payable for capital expenditures	$ 232	$ 134