Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	$ 2,817	$ (513)
CASH USED IN INVESTING ACTIVITIES
Payments for property and deferred development costs	(13)	(74)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from long-term debt	0	600
Debt and common stock issuance costs and other	(269)	(424)
NET CASH (USED IN) PROVIDED BY FINANCING ACTIVITIES	(269)	176
NET INCREASE (DECREASE) IN CASH	2,535	(411)
CASH AND RESTRICTED CASH AT BEGINNING OF PERIOD	5,596	869
CASH AND RESTRICTED CASH AT END OF PERIOD	8,131	458
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Cash paid during the period for interest	$ 0	$ 5

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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