Earnings per share (Tables)

12 Months Ended

Dec. 31, 2013

Earnings per share [Abstract]

Summary of computation of basic and diluted earnings per common share

	Year Ended December 31,
	2013		2012
Earnings per common share –Basic
Net income attributable to OBCI	$	1,460,992	$	1,962,288
Weighted average number of common shares outstanding		8,542,686		8,229,720
Earnings per common share – Basic	$	0.17	$	0.24
Earnings per common share – Diluted
Net income attributable to OBCI	$	1,460,992	$	1,962,288
Weighted average number of common shares outstanding		8,542,686		8,229,720
Effect of employee stock-based awards		244,982		326,387
Weighted average number of common shares outstanding - assuming dilution		8,787,668		8,556,107
Earnings per common share - Diluted	$	0.17	$	0.23