BRENHAM OIL & GAS CORP. Statement of Financial Position - Parenthetical (USD $)	Sep. 30, 2013	Dec. 31, 2012
Statement of Financial Position
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	200,000,000	200,000,000
Common stock, shares issued (in shares)	122,768,473	110,577,093
Common stock, shares outstanding (in shares)	122,579,001	110,413,621
Treasury stock, at cost (in shares)	189,472	163,472