Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2013

Earnings Per Share [Abstract]

Summary of computation of basic and diluted earnings per common share

	Three Months Ended March 31,
	2013		2012
Earnings per common share -Basic
Net income attributable to OBCI	$	349,052	$	364,345
Weighted average number of common shares outstanding		8,398,385		8,106,886
Earnings per common share - Basic	$	0.04	$	0.04
Earnings per common share – Diluted
Net income attributable to OBCI	$	349,052	$	364,345
Weighted average number of common shares outstanding		8,398,385		8,106,886
Dilutive effect of employee stock options		283,723		359,134
Weighted average number of common shares outstanding - assuming dilution		8,682,108		8,466,020
Earnings per common share - Diluted	$	0.04	$	0.04