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GOODWILL AND INTANGIBLE ASSETS (Tables)
12 Months Ended
Sep. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill The following table summarizes changes in the balance of goodwill during the year ended September 30, 2018 (amounts shown in thousands):
Balance at September 30, 2017 $3,014 
Acquisition of ICAR 6,936 
Acquisition of A2iA 24,867 
Foreign currency effect on goodwill (410)
Balance at September 30, 2018 $34,407 
Schedule of Intangible Assets Intangible assets as of September 30, 2018 and 2017 are summarized as follows (amounts shown in thousands, except for years):
September 30, 2018: 
Weighted
Average
Amortization
Period
Cost
Accumulated
Amortization
Net
Completed technologies 6.4 years$20,341 $3,070 $17,271 
Customer relationships
4.8 years17,628 2,351 15,277 
Trade names 4.5 years618 219 399 
Total intangible assets
$38,587 $5,640 $32,947 

September 30, 2017: 
Weighted
Average
Amortization
Period
Cost
Accumulated
Amortization
Net
Completed technologies 6.0 years$2,370 $833 $1,537 
Customer relationships
6.0 years970 341 629 
Trade names 5.0 years230 99 131 
Total intangible assets
$3,570 $1,273 $2,297 
Schedule of Estimated Future Amortization Expense
The estimated future amortization expense related to intangible assets for each of the five succeeding fiscal years is expected to be as follows (amounts shown in thousands):
Estimated Future Amortization Expense
2019$7,219 
20206,594 
20216,318 
20225,909 
20233,879 
Thereafter3,028 
Total $32,947