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Note 2 - Significant Accounting Policies - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Thousands
Jan. 31, 2019
Jan. 31, 2018
Cash and cash equivalents $ 10,156 $ 7,084
Restricted cash 2,581 1,237
Cash, cash equivalents and restricted cash shown in the statement of cash flows $ 12,737 $ 8,321