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BUSINESS COMBINATION - SCHEDULE OF ESTIMATED FAIR VALUE OF ASSETS ACQUIRED AND LIABILITIES ASSUMED (Detail) - USD ($)
$ in Thousands
Sep. 30, 2017
Sep. 30, 2016
Jun. 17, 2015
Business Acquisition [Line Items]      
Goodwill $ 3,014 $ 2,863  
IDchecker      
Business Acquisition [Line Items]      
Current assets     $ 620
Property, plant and equipment     42
Intangible assets     3,570
Assets acquired     4,232
Current liabilities     (476)
Other liabilities     (810)
Liabilities assumed     (1,286)
Fair value of net assets acquired     2,946
Total consideration paid     5,819
Goodwill before effect in exchange rates     $ 2,873
Effect of movements in exchange rates as of September 30, 2017 $ 141