Unaudited Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating Activities
Net (loss) income	$ (684)	$ 124
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	1,164	1,089
Amortization of premium/discount of marketable securities	(6)	(21)
Equity in earnings of unconsolidated joint ventures, net	(1,355)	(876)
Non-cash retirement plan expense	20	77
Non-cash write-off of leasing assets	110	0
Loss on sale of property plant and equipment	10	0
Stock compensation expense	1,225	813
Excess tax benefit from stock-based compensation	(523)	(46)
Distribution of earnings from unconsolidated joint ventures	121	0
Changes in operating assets and liabilities:
Receivables, inventories, prepaids and other assets, net	3,048	(1,385)
Current liabilities, net	(139)	(1,078)
Net cash provided by (used in) operating activities	4,037	(1,211)
Investing Activities
Maturities and sales of marketable securities	8,956	14,567
Funds invested in marketable securities	(4,025)	(10,865)
Real estate and equipment expenditures	(4,948)	(5,112)
Investment in unconsolidated joint ventures	(250)	(100)
Distribution of equity from unconsolidated joint ventures	100	41
Investments in long-term water assets	(2,635)	(3,502)
Net cash used in investing activities	(2,802)	(4,971)
Financing Activities
Repayments of long-term debt	(1,725)	(1,007)
Taxes on vested stock grants	(1,568)	(815)
Net cash used in financing activities	(3,293)	(1,822)
Decrease in cash and cash equivalents	(2,058)	(8,004)
Cash and cash equivalents at beginning of period	27,106	15,908
Cash and cash equivalents at end of period	25,048	7,904
Supplemental cash flow information
Accrued capital expenditures included in current liabilities	(759)	292
Accrued long-term water assets included in current liabilities	$ 254	$ 0