Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Stockholders' Equity - Changes in Accumulated Other Comprehensive Loss (Details)

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Note 9 - Stockholders' Equity - Changes in Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands
 3 Months Ended
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Balance $ 45,425 $ 48,050 $ 50,151
Balance 43,310 45,425 48,050
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]      
Balance (1,237) (1,085) (988)
Other comprehensive income (loss) (23) (152) (97)
Balance (1,260) (1,237) (1,085)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member]      
Balance (8) (19) (16)
Other comprehensive income (loss) 1 11 (3)
Balance (7) (8) (19)
AOCI Attributable to Parent [Member]      
Balance (1,245) (1,104) (1,004)
Other comprehensive income (loss) (22) (141) (100)
Balance $ (1,267) $ (1,245) $ (1,104)