EARNINGS (LOSS) PER COMMON SHARE (Tables)

12 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Reconciliations between net earnings (loss) attributable to stockholders and common shares outstanding of the basic and diluted net earnings (loss) per share computations

Reconciliations between net earnings (loss) attributable to Barnwell stockholders and common shares outstanding of the basic and diluted net earnings (loss) per share computations are detailed in the following tables:

	Year ended September 30, 2021
	Net Earnings		Shares	Per-Share
	(Numerator)		(Denominator)	Amount
Basic net earnings per share	$	6,253,000	8,592,154	$	0.73
Effect of dilutive securities - common stock options	—		—
Diluted net earnings per share	$	6,253,000	8,592,154	$	0.73
	Year ended September 30, 2020
	Net Loss		Shares	Per-Share
	(Numerator)		(Denominator)	Amount
Basic net loss per share	$	(4,756,000)	8,277,160	$	(0.57)
Effect of dilutive securities - common stock options	—		—
Diluted net loss per share	$	(4,756,000)	8,277,160	$	(0.57)