CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating activities:
Net loss	$ (3,140)	$ (2,490)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	768	793
Amortization of credit facility fees	14	15
Stock-based compensation	92	108
Deferred income taxes	(1,244)	(991)
Provision for contingent obligation	369	111
Losses (gains) on equity investments	176	(87)
Gain on sale of land	0	(139)
Changes in assets and liabilities:
Accounts receivable	(132)	(1,168)
Prepaid expenses and other	(86)	(222)
Accounts payable	(15)	(39)
Accrued liabilities	(1,030)	(845)
Payable to Dover Downs Gaming & Entertainment, Inc.	0	(9)
Contract liabilities	1,933	3,356
Liability for pension benefits	(37)	(18)
Net cash used in operating activities	(2,332)	(1,625)
Investing activities:
Capital expenditures	(115)	(398)
Proceeds from sale of land and equipment, net	0	827
Purchases of equity investments	(196)	(4)
Proceeds from sale of equity investments	192	1
Net cash (used in) provided by investing activities	(119)	426
Financing activities:
Borrowings from revolving line of credit	180
Repayments on revolving line of credit	(180)
Repurchase of common stock	(94)	(200)
Net cash used in financing activities	(94)	(200)
Net decrease in cash	(2,545)	(1,399)
Cash, beginning of period	7,577	3,951
Cash, end of period	5,032	2,552
Supplemental information:
Interest received	(17)	(37)
Change in accounts payable for capital expenditures	$ 0	$ (49)