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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
NET CASH PROVIDED BY OPERATING ACTIVITIES $ 731 $ 2,817
CASH FLOWS FROM INVESTING ACTIVITIES    
Payments for property and deferred development costs (2) (13)
Purchases of bond investments (426) 0
Maturities of bond investments 395 0
NET CASH USED IN INVESTING ACTIVITIES (33) (13)
CASH FLOWS FROM FINANCING ACTIVITIES    
Debt and common stock issuance costs and other (544) (269)
NET CASH USED IN FINANCING ACTIVITIES (544) (269)
NET INCREASE IN CASH 154 2,535
CASH AND RESTRICTED CASH AT BEGINNING OF PERIOD 8,509 5,596
CASH AND RESTRICTED CASH AT END OF PERIOD $ 8,663 $ 8,131