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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Preferred Stock
Treasury Stock
Retained Earnings
AOCI
Common Stock
Paid-in Capital
Series A Preferred Stock
Series A Preferred Stock
Paid-in Capital
Beginning Balance, shares at Sep. 30, 2015   31,098 0 6,865          
Beginning Balance at Sep. 30, 2015 $ 113,475 $ 3 $ 0 $ (97,388) $ 32,638 $ 20 $ 178,202   $ 0
Net loss 47,696       47,696        
Issuance of Series A Convertible Preferred Stock               700  
Adjustments to Additional Paid in Capital, Increase in Carrying Amount of Redeemable Preferred Stock 68,820               68,820
Issuance of common stock under employee plans, shares   565              
Issuance of common stock under employee plans 0 $ 0              
Shares withheld for payroll taxes, shares   (174)              
Shares withheld for payroll taxes (394) $ 0         (394)    
Stock-based compensation 4,807           4,807    
Common stock cash dividends declared (972)       (972)        
Preferred stock cash dividends declared (1,424)       (1,424)        
Equity interest in investee's unrealized gains on hedging derivatives, net of taxes (2) [1]         (2)      
Ending Balance, shares at Sep. 30, 2016   31,489 700 6,865          
Ending Balance at Sep. 30, 2016 136,614 $ 3 $ 0 $ (97,388) (17,454) 18 182,615   68,820
Net loss 8,128       8,128        
Adjustments to Additional Paid in Capital, Increase in Carrying Amount of Redeemable Preferred Stock 33               33
Issuance of common stock under employee plans, shares   559              
Issuance of common stock under employee plans 0 $ 0              
Shares withheld for payroll taxes, shares   (176)              
Shares withheld for payroll taxes (595) $ 0         (595)    
Stock-based compensation 3,120           3,120    
Preferred stock cash dividends declared (5,250)       (5,250)        
Equity interest in investee's unrealized gains on hedging derivatives, net of taxes (18) [1]         (18)      
Ending Balance, shares at Sep. 30, 2017   31,872 700 6,865          
Ending Balance at Sep. 30, 2017 125,776 $ 3 $ 0 $ (97,388) (30,832) 0 185,140   68,853
Total current assets 146,826                
Cumulative-effect adjustment (see Note 3) 37,209                
Net loss 32,682       32,682        
Issuance of common stock under employee plans, shares   379              
Issuance of common stock under employee plans 0 $ 0              
Shares withheld for payroll taxes, shares   (82)              
Shares withheld for payroll taxes (223) $ 0         (223)    
Stock-based compensation 1,815           1,815    
Preferred stock cash dividends declared (5,250)       (5,250)        
Equity interest in investee's unrealized gains on hedging derivatives, net of taxes [1] 0                
Ending Balance, shares at Sep. 30, 2018   32,169 700 6,865          
Ending Balance at Sep. 30, 2018 126,645 $ 3 $ 0 $ (97,388) $ (31,555) $ 0 $ 186,732   $ 68,853
Total current assets $ 116,795                
[1] The tax effect during the years ended September 30, 2018, 2017, and 2016 was not material.