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Common Stock (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2016
Stock repurchased and retired during period, shares   89,685 747,081
Stock repurchased and retired during period, value   $ 1,100 $ 7,300
Warrants exercised, value     $ 500
Dividend per share $ 0.03 $ 0.03 $ 0.03
Aggregate dividend amount $ 1,200 $ 1,200 $ 862
Warrants [Member]      
Warrants exercised     48,780
Warrants exercised, value     $ 500
Convertible Debt [Member]      
Debt conversion, converted instrument, shares issued     125,610
Debt conversion, converted instrument, amount     $ 1,300