Note 5: Benefit Plans (Detail) (USD $)	3 Months Ended			6 Months Ended				3 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Stock Options [Member]	Jun. 30, 2012 Restricted Stock [Member]	Mar. 31, 2012 Director [Member]	Mar. 31, 2011 Director [Member]	Jun. 30, 2012 Officer [Member]	Mar. 31, 2012 Officer [Member]	Mar. 31, 2012 Chief Executive Officer [Member]
Allocated Share-based Compensation Expense	$ 18,043		$ 25,662	$ 31,105	$ 51,411
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized						116,630	128,796
Restricted Stock or Unit Expense				$ 38,560				$ 110,009	$ 100,017	$ 19,280
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures (in Shares)								18,520
Stock Issued During Period, Shares, Restricted Stock Award, Price per Share (in Dollars per share)								$ 5.94
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures (in Shares)		26,244
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period											2 years	3 years