CONSOLIDATED STATEMENTS OF CASH FLOWS [Parenthetical] (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2011
Conversion of debt to trade payable to common stock	$ 84

The value of conversion of a debt to a trade payable to common stock during the period.

No definition available.

Name:	bcli_ConversionOfDebtToTradePayableToCommonStock
Namespace Prefix:	bcli_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration