Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Statement of Stockholders' Equity [Abstract]
Stock issuance expenses	$ 114	$ 73

Amount of stock issuance expenses during the period.

No definition available.

Name:	phge_StockIssuanceExpenses
Namespace Prefix:	phge_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration