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NOTE 11 - SHARE REPURCHASE PROGRAMS	12 Months Ended
NOTE 11 - SHARE REPURCHASE PROGRAMS	Dec. 31, 2020
Equity [Abstract]
SHARE REPURCHASE PROGRAMS	Data I/O did not offer a share repurchase program in 2020. In August of 2019, Data I/O completed the share repurchase program authorized in 2018.