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Note 3 - Restricted Cash (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Cash and Cash Equivalents [Table Text Block]
  March 31, 2022 December 31, 2021
Cash and cash equivalents$13,206$13,473
Restricted cash included in cash, cash equivalents and restricted cash 855 -
Total as presented in the consolidated statement of cash flows$14,061$13,473