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)
$ in Thousands
3 Months Ended
Mar. 31, 2021
USD ($)
Balance $ 67,697
Balance 65,376
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]  
Balance (325)
Other comprehensive loss (182)
Balance (507)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]  
Balance (11)
Other comprehensive loss (7)
Balance (18)
AOCI Attributable to Parent [Member]  
Balance (336)
Other comprehensive loss (189)
Balance $ (525)