Equity Plan (Details) (USD $)	1 Months Ended	3 Months Ended	6 Months Ended
	May 31, 2012 officer	Jun. 30, 2012	Jun. 30, 2012
Restricted shares
Equity plan
Number of shares granted to officers	18,000
Grant price (in dollars per share)	$ 6.39
Number of officers to whom shares were granted	3
Vesting period	2 years
Fair value of stock awards at grant date	$ 115,020
Amortization period for fair value of stock awards at grant date	2 years
Expense related to stock awards		9,600
Shares of restricted stock forfeited			22,000
Amortized expense reversed due to forfeitures			48,000
Stock options
Equity plan
Vesting period			4 years
Expense related to stock awards			32,000
Number of shares of unqualified stock granted to directors and employees			201,500
Exercise price (in dollars per share)			$ 6.39
Unrecognized compensation expense related to nonvested stock options		$ 703,000	$ 703,000