Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
NET CASH (USED IN) PROVIDED BY OPERATING ACTIVITIES	$ (513)	$ 1,453
CASH USED IN INVESTING ACTIVITIES
Payments for property and deferred development costs	(74)	(48)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from long-term debt	600	700
Payments on long-term debt		(1,500)
Debt and common stock issuance costs and other	(424)	(522)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	176	(1,322)
NET (DECREASE) INCREASE IN CASH	(411)	83
CASH AT BEGINNING OF PERIOD	869	683
CASH AT END OF PERIOD	458	766
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for interest:	$ 5	$ 14

Amount of cash outflow for property and deferred development costs.

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Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.

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