XML 64 R49.htm IDEA: XBRL DOCUMENT v3.10.0.1
Summary of Significant Accounting Policies (Revenue Recognition) (Details)
$ in Thousands
Sep. 30, 2018
USD ($)
Sep. 30, 2017
systems
Sep. 30, 2017
USD ($)
Sep. 30, 2017
equipment
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Number of similarly configured systems and processes   2   2
Number of similarly configured items of equipment | equipment       2
Deferred revenue $ 5,616   $ 6,822  
Deferred costs 2,545   2,741  
Deferred profit $ 3,071   $ 4,081