XML 35 R24.htm IDEA: XBRL DOCUMENT v3.4.0.3
Summary of Business and Significant Accounting Policies - Summary of Stock Option Assumptions (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Mar. 31, 2016
Mar. 31, 2015
Summary of Business and Significant Accounting Policies [Abstract]        
Common stock granted during the period 29,500 13,500 290,250 733,900
Weighted-average fair value of common stock $ 1.79 $ 2.64 $ 2.08 $ 3.75
Dividend yield 0.00% 0.00% 0.00% 0.00%
Expected volatility 56.00% 80.00% 61.00% 80.00%
Average risk-free interest rate 1.37% 1.45% 1.54% 1.69%
Expected life (in years) 5 years 18 days 4 years 6 months 5 years 4 years 4 months 24 days
Total compensation cost, net of forfeitures, of all options granted but not yet vested $ 1.3   $ 1.3  
Expected to be recognized     1 year 4 months 10 days  
Options exercised 42,003 90,933 69,267 129,470