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Shareholders' Equity Transactions (Details) (USD $)
 1 Months Ended 9 Months Ended 12 Months Ended 37 Months Ended
Mar. 31, 2010
Dec. 31, 2012
Mar. 31, 2013
Mar. 31, 2013
Share Repurchase Program [Abstract]        
Shares repurchase authorized $ 5,000,000      
Shares repurchased and retired (in shares)       67,347
Shares repurchased and retired       389,000
Private Placement [Abstract]        
Proceeds from issuance of common stock   15,004,000    
Net proceeds from issuance of common stock   13,970,000    
Shares issued to accredited investors in private placement (in shares)   1,936,000    
Share price (in dollars per share)   $ 7.75 $ 6.13 $ 6.13
Period for filing registration statement, maximum   45 days    
Period for registration statement to declare effective   60 days    
Period for registration statement to declare effective of SEC review   120 days    
Liquidated damages per 30 days (in hundredths)   1.00%    
Liquidated damages settlement     $ 675,000