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Consolidated Statements of Cash Flows (Reconciliation of Cash, Cash Equivalents and Restricted Cash) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Reconciliation of cash, cash equivalents and restricted cash as shown in the consolidated statements of cash flow:    
Cash and cash equivalents $ 11,551 $ 17,571
Restricted cash included in long-term restricted lease deposits 576 585
Total cash, cash equivalents and restricted cash $ 12,127 $ 18,156