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Stock-Based Compensation (Narrative) (Details) (USD $)
1 Months Ended 3 Months Ended 9 Months Ended 9 Months Ended 1 Months Ended 3 Months Ended 9 Months Ended 1 Months Ended 3 Months Ended 9 Months Ended
Aug. 31, 2013
Aug. 31, 2012
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Jun. 30, 2013
Mar. 31, 2014
Resigned Non-Employee Director [Member]
Aug. 31, 2012
Stock Options [Member]
Mar. 31, 2014
Stock Options [Member]
Mar. 31, 2013
Stock Options [Member]
Mar. 31, 2014
Stock Options [Member]
Feb. 28, 2014
Restricted Stock [Member]
Oct. 31, 2013
Restricted Stock [Member]
Aug. 31, 2013
Restricted Stock [Member]
Aug. 31, 2012
Restricted Stock [Member]
Mar. 31, 2014
Restricted Stock [Member]
Mar. 31, 2013
Restricted Stock [Member]
Mar. 31, 2014
Restricted Stock [Member]
Mar. 31, 2013
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                        
Expected volatility calculation term         250 days                              
Exercisable stock options     0 0 358,333 244,666                            
Proceeds from exercise of stock options               $ 200,000   $ 100,000   $ 100,000                
Agreed number of accelerated vesting stock                 30,000             8,547        
Exercise of stock option         88,000                              
Options exercised, shares         10,000 30,000   30,000   10,000 0 10,000                
Stock-based compensation charge     922,000 1,092,000 2,820,000 3,325,000                            
Fair value of restricted stock vested                         1,742,000   161,000 216,000 1,700,000 1,000,000 1,900,000 1,200,000
Vested stock                         183,333   16,907 23,436        
Forfeitures, Number of shares 0 0     136,420                 7,171            
Unrecognized compensation cost                   1,100,000   1,100,000         3,000,000   3,000,000  
Deferred tax asset     $ 1,500,000   $ 1,500,000   $ 1,500,000                          
Unrecognized compensation cost, expected recognition period, years                       3 years             2 years