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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Beginning Balance (shares) at Sep. 30, 2017   11,767,000    
Beginning Balance at Sep. 30, 2017 $ 35,855 $ 12 $ 82,687 $ (46,844)
Directors' stock grants and expense (in shares)   93,000    
Directors' stock grants and expense 797   797  
Expense related to employee stock options 131   131  
Exercise of stock options (shares)   39,000    
Exercise of stock options 46   46  
Net income (loss) (1,535)     (1,535)
Ending Balance (shares) at Mar. 31, 2018   11,899,000    
Ending Balance at Mar. 31, 2018 35,600 $ 12 83,838 (48,250)
Beginning Balance (shares) at Dec. 31, 2017   11,882,000    
Beginning Balance at Dec. 31, 2017 34,090 $ 12 83,644 (49,566)
Issuance of common stock (in shares)   17,000    
Issuance of common stock 23   23  
Expense related to director restricted stock units 104   104  
Exercise of stock options 67   67  
Net income (loss) 1,316     1,316
Ending Balance (shares) at Mar. 31, 2018   11,899,000    
Ending Balance at Mar. 31, 2018 $ 35,600 $ 12 83,838 (48,250)
Beginning Balance (shares) at Sep. 30, 2018 11,899 11,899,000    
Beginning Balance at Sep. 30, 2018 $ 39,418 $ 12 84,285 (44,879)
Directors' stock grants and expense (in shares)   102,000    
Directors' stock grants and expense 263   263  
Expense related to employee stock options $ 129   129  
Exercise of stock options (shares) 35,000 35,000    
Exercise of stock options $ 39   39  
Net income (loss) $ 2,955     2,955
Ending Balance (shares) at Mar. 31, 2019 12,036 12,036,000    
Ending Balance at Mar. 31, 2019 $ 42,804 $ 12 84,716 (41,924)
Beginning Balance (shares) at Dec. 31, 2018   12,036,000    
Beginning Balance at Dec. 31, 2018 41,340 $ 12 84,517 (43,189)
Expense related to director restricted stock units 132   132  
Exercise of stock options 67   67  
Net income (loss) $ 1,265     1,265
Ending Balance (shares) at Mar. 31, 2019 12,036 12,036,000    
Ending Balance at Mar. 31, 2019 $ 42,804 $ 12 $ 84,716 $ (41,924)