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Consolidated Statements of Shareholders' Equity (Unaudited) (USD $)
Preferred Stock
Series A Convertible Preferred Stock
Common Stock
Accumulated Deficit
Total
Balance at Jun. 30, 2012 $ 3,138,056 $ 220,513,327 $ (201,996,361) $ 21,655,022
Balance (in shares) at Jun. 30, 2012 442,968 32,510,069    
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of fully-vested shares of common stock to employees and directors and vesting of shares under the 2010 Stock Incentive Plan   49,984   49,984
Issuance of fully-vested shares of common stock to employees and directors and vesting of shares under the 2010 Stock Incentive Plan (in shares)   11,941    
Issuance of fully-vested shares of common stock to employees and directors and vesting of shares under the 2011 Stock Incentive Plan   111,695   111,695
Issuance of fully-vested shares of common stock to employees and directors and vesting of shares under the 2011 Stock Incentive Plan (in shares)   78,711    
Issuance of fully-vested shares of common stock to employees and directors and vesting of shares under the 2012 Stock Incentive Plan   58,545   58,545
Issuance of fully-vested shares of common stock to employees and directors and vesting of shares under the 2012 Stock Incentive Plan (In shares)   171,998    
Retirement of common stock   (87,315)   (87,315)
Retirement of common stock (in shares)   (51,298)    
Net income     192,897 192,897
Balance at Dec. 31, 2012 $ 3,138,056 $ 220,646,236 $ (201,803,464) $ 21,980,828
Balance (in shares) at Dec. 31, 2012 442,968 32,721,421