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STOCKHOLDERS' EQUITY - JonesTrading Sales Agreement (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Equity [Abstract]
Proceeds from issuance of common stock	$ 0	$ 0	$ 0

X

- Definition

Proceeds from Issuance of Common Stock included in Accounts Receivable

+ References

No definition available.

+ Details

Name:	byon_ProceedsFromIssuanceOfCommonStockIncludedInAccountsReceivable
Namespace Prefix:	byon_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_EquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration